Bivariate Correlation Analysis Research Articles

Influential Signs of Dry Eye-Related Ocular Symptoms in Participants With Unstable Tear Film.

The aim of this study was to investigate the factors influencing dry eye disease (DED)-related ocular symptoms in participants with short fluorescein tear break-up time (FTBUT). This cross-sectional study included 82 participants with short FTBUT (<10 seconds). Examinations included Ocular Surface Disease Index (OSDI), FTBUT, average noninvasive tear break-up time (NIBUTave), lid wiper epitheliopathy, lipid layer thickness, blink rate, partial blink, tear meniscus height, and meibomian gland (MG) evaluation which included ratio of residual MG area (RMGA) and MG grade in tarsal plates. One-way analysis of variance was used to detect differences between symptomatic tear film instability group (FTBUT <5 s, OSDI ≥13), asymptomatic tear film instability group (FTBUT <5 s, OSDI <13), and control group (FTBUT ≥5 s, OSDI <13). A bivariate correlation, partial correlation, and multiple linear regression analyses were used to identify major factors. Only the right eye was included. Among the participants with FTBUT <5 seconds, symptomatic group showed less upper RMGA ( P < 0.001) and NIBUTave ( P = 0.010). OSDI was negatively associated with upper RMGA ( r = -0.450, P < 0.001) and NIBUTave ( r = -0.414, P = 0.001), and positively associated with upper MG grade ( r = 0.277, P = 0.027). Linear regression analysis showed that the upper RMGA significantly affected OSDI (B = -41.895, P = 0.001), while not significantly correlated with age, upper MG grade, and NIBUTave. The upper RMGA might be the main factor affecting DED-related discomfort in participants with unstable tear film, indicating an early ocular change in DED.

Career success, collegiality, and the intentions of early career academics to stay in the academic profession

ABSTRACT This article examines the relationship between the career success of early career academics (ECAs), collegiality, and their intentions to stay in the academic profession. Two different surveys were developed and administered to ECAs (n=68) and other academics (n=219) from a public university in South Africa. The data were analysed using bivariate correlation and hierarchical multiple regression analysis. The results revealed that career success factors that include career advising (research and teaching and learning), learning and development, rewards and recognition, and socialisation strengthen the intentions of ECAs to stay in the academic profession. Additionally, collegiality demonstrated a strong moderation effect on the relationship between career advising on research, teaching and learning and the intentions of ECAs to stay in the academic profession. The article further discusses the implications of the results in relation to how career success and collegiality reinforce the intentions of ECAs to stay in the academic profession.

Spectrum-effect relationship between HPLC fingerprints and antioxidant activity of Qi-Fu-Yin based on multiple statistical correlation analysis.

Qi-Fu-Yin has been used to treat Alzheimer's disease (AD) in China. Oxidative stress has been recognized as a factor in AD progress. To date, there is no quality control method to ensure batch-to-batch consistency of Qi-Fu-Yin, and the potential antioxidant compounds in Qi-Fu-Yin remain uncertain. The aim of this study is to identify the potential antioxidant compounds of Qi-Fu-Yin and establish quality control standards for Qi-Fu-Yin. High-performance liquid chromatography was used to establish and quantify the fingerprints of Qi-Fu-Yin from various batches. Ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (UHPLC-Q-TOF/MS) was used to identify the common peaks. Bivariate correlation analysis, partial least squares regression analysis, and gray correlation analysis were used to establish the spectrum-effect relationship. Forty-nine common peaks were determined through the establishment of fingerprints. Among them, 35 common peaks were preliminarily characterized. The multiple statistical correlation analysis methods identified six compounds as potential antioxidant constituents of Qi-Fu-Yin, and their antioxidant activities were validated in vitro. All six antioxidant compounds derived from two herbs. Therefore, three chemical index compounds derived from other three herbs were added to the quantitative analysis, while for two herbs, no peaks could be included. Eventually, six antioxidant constituents and three index compounds were quantitatively determined to provide a relatively comprehensive quality control for Qi-Fu-Yin. The study elucidated the antioxidant substance basis of Qi-Fu-Yin and provided a relatively comprehensive approach for the assay of Qi-Fu-Yin, which is a promising advance in the quality control of Qi-Fu-Yin.

Motivation for physical activity in the Jordanian military: Possible determinants of physical activity in male and female recruits

ABSTRACT Given the obligatory nature of physical fitness training in the military and in order to guide intervention development, our study assessed possible motivational determinants as suggested by self-determination theory in addition to other possible determinants. A cross-sectional study was conducted among 218 military recruits during their basic training in Jordan. Physical activity and lifestyle behaviors were measured using the Arab Teens Lifestyle Study (ATLS). Psychosocial variables were assessed using the Exercise Self-Efficacy Scale (ESE), Behavioral Regulation Exercise Scale (BREQ-2) and Exercise Benefits/Barriers Scale (EBBS). Bivariate correlation analysis revealed that identified self-regulation, introjected regulation and exercise self-efficacy scores were positively associated with higher Metabolic Equivalent of Task (METs) and minutes per week of physical activity among male recruits and the overall sample respectively. Among females, only external regulation was positively associated with the total METs/week. Being a male was significantly associated with higher minutes of physical activity among the overall sample. Multivariate regression analyses showed that identified regulation was significantly and positively associated with higher minutes of physical activity among the overall sample and male recruits in addition to higher METs per week among the male recruits. Also, the amotivation score was significantly and positively associated with higher minutes of physical activity among the overall sample and male recruits. A multivariate regression analysis for female recruits showed no significant associations. Intervention developers are advised to increase autonomous forms of motivation through structured enjoyable physical fitness programs in order to enhance intrinsic motivation in the long term.

Neutrophils-derived Parameters as Cost-effective Inflammatory, Disease Activity Marker in Systemic Lupus Erythematosus (SLE) and Role in Prediction of Lupus Nephritis

Introduction: Systemic lupus erythematosus (SLE) is a chronic inflammatory autoimmune disease with various clinical manifestations and approximately 50% of the SLE patients develop lupus nephritis (LN), which increases the risk of renal failure, cardiovascular diseases and overall survival. Objectives: Evaluation of neutrophil-derived parameters (Neut-X, Neut-Y and Neut-Z) as an inflammatory, disease activity marker and as a predictor of nephritis in SLE patients. Material and Methods: In this cross-sectional study, 3 ml K3EDTA blood was taken from 110 SLE patients presented in Department of Clinical Immunology to evaluate neutrophil-derived parameters in Sysmex XT2000i haematology analyser and their correlation with other inflammatory biomarkers like, erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) as well as SLE disease activity index-2000 (SLEDAI-2K). 24-hours urine protein levels were also estimated as a marker of renal involvement. Records of renal biopsy were available in 73 SLE patients, who belonged to different morphologic classification of LN. Results: After performing bivariate Spearman correlation analysis (SPSS software, version 26.0), Neut-X (measures cytoplasmic granularity by side scattering) and Neut-Z (vector sum of Neut-X and Neut-Y) showed a significant positive correlation ( r &gt; 0.200, P &lt; .05) with ESR, CRP and SLEDAI-2K while Neut-Y (measures nucleic acid content by sideward fluorescence) showed a significant negative correlation ( r &gt; 0.200, P &lt; .05) with ESR and CRP. Receiver-operating characteristic curve analysis was used to evaluate diagnostic value of 24-hour urine protein and predictive values of neutrophil-derived parameters for renal involvement in SLE patients. Among neutrophil-derived parameters, Neut-X was found to be the best predictor of renal dysfunction with highest AUC of 0.710 (95% CI: 0.604-0.816; cut-off: 1344.50; sensitivity: 84.7%; specificity: 50%) followed by Neut-Z with AUC of 0.707 (95% CI: 0.600-0.813; cut-off: 1403.67; sensitivity: 87.5%; specificity: 50%). Conclusion: Our study shows that neutrophil-derived parameters may be used as novel cost-effective, non-invasive biomarker of disease activity as well as for predicting renal involvement in SLE patients.

The development and cross-cultural validation of a Student Online Learning Experience Scale

ABSTRACT A growing body of research has explored the effects of Covid-19-induced online learning on students’ experiences. However, there is a lack of validated tools that measure the perceived online learning experiences of domestic and international students in various national and cultural contexts. To address this gap, this article aims to develop the Student Online Learning Experience Scale (SOLE-S). We conceptualised four potential dimensions of students’ perceptions of their online learning experiences: online interactions with students, teachers, university, and technology (i.e. students’ capacity to participate in online learning). Confirmatory factor analysis determined three distinct factors: online interactions with students, the university (including teachers), and technology. Based on multiple validation studies reported in this article, the 10-item SOLE-S demonstrated sound internal consistency, discriminant validity, and convergent validity. Multigroup confirmatory factor analysis on data from domestic and international students transitioning from conventional classroom learning to online learning during the COVID-19 pandemic in Italy, France, Poland, and the UK showed a stable factor structure across different cultural contexts. Bivariate and point-biserial correlation analyses revealed that the SOLE-S is associated with students’ adjustment, performance, satisfaction, and loyalty to the university. This tool will assist higher education institutions in monitoring students’ online learning experiences and developing relevant support structures to enhance their academic experience and well-being during the pandemic and post-pandemic online learning.

BLOOD PRESSURE VALUES ACCORDING TO HOME AND CLINIC MEASUREMENTS AND INTRACRANIAL WAVEFORM ASSESSMENT IN HYPERTENSIVE PATIENTS

Objective: Evaluate the Association between Non-Invasive Intracranial Pressure (ICP) Values and Blood Pressure (BP) Values According to Home and Clinic Measurements Design and method: Cross-Sectional Study evaluating the association of variables, including Age, Gender, Office Systolic Blood Pressure (OSBP), Office Diastolic Blood Pressure (ODBP), Home Blood Pressure Measurements (HBPM), Time since Hypertension Diagnosis, P2P1, TTP, Intracranial Hypertension (IC) (P2P1 &gt;1.2), Office Hypertension (Office BP 140/90mmHg), and HBPM Hypertension (HBPM 130/80mmHg). Data collected from participants and medical records. Data analysis conducted using chi-square test, Mann-Whitney U test, and bivariate correlation analyses. Blood pressure values adjusted for hypertension diagnosis time; P2P1 and TTP values adjusted for age. Confidence interval of 95% and p&lt;0.05. Results: 240 patients were evaluated, with average age of 63.4 years (±11.8), 73.3% were female. The average time of diagnosis of arterial hypertension was 19.1 years (±11.9). Uncontrolled blood pressure - 54.2% (n=130) via HBPM and 42.1% (n=101) in the clinic. The proportion of IC was 67.9%, higher in women (71.6%). There was negative correlation between P2P1 and age (r=-0.261; p=0.037). Correlations between P2P1 and systolic blood pressure (HBPM) (-0.152, p=0.019) as well as with morning systolic blood pressure (HBPM) (-0.175, p=0.006). Correlation between P2P1 and morning systolic blood pressure (HBPM) (rho= -0.192, p=0.011), and evening systolic blood pressure (HBPM) (rho= 0.157, p=0.037) was found only among women. Correlation between TTP and systolic blood pressure (HBPM) (rho= -0.194, p=0.003), The correlation between TTP and clinic diastolic blood pressure (rho= 0.313, p=0.012) was found only among men. Correlation between TTP and systolic blood pressure (HBPM) (rho= -0.201, p=0.007), morning systolic blood pressure (HBPM) (rho= -0.237, p=0.002), clinic diastolic blood pressure (rho= 0.157, p=0.038), and nighttime systolic blood pressure (HBPM) (rho= -0.202, p=0.007) was found only among women. Conclusions: The blood pressure control rates were similar when evaluated by different methods. There was no association between blood pressure control rates and IC. P2P1 and TTP values correlated with home blood pressure values, but only with clinic diastolic blood pressure values. The associations of P2P1/TTP values and home blood pressure measurements exhibited different patterns between men and women.

Predictive factors of bone strength variation in adolescent girls according to body composition.

This study examined correlations among anthropometric parameters, body composition, bone parameters and predictive factors of bone mass in adolescent girls with different body fat percentages (%fat). A total of 129 females aged 15-18 years were categorized into 3 groups using %fat-for-age at the 50th and 95th percentiles as cutoff points (normal, over, and excess %fat groups). We recorded anthropometric data and measured the speed of sound at the tibia and radius using quantitative ultrasound. Dual-energy x-ray absorptiometry (DXA) was used to measure body composition and bone parameters, including bone mineral density (BMD), bone mineral content (BMC), and the BMD-z-score (z-score) in the lumbar spine (LS) and whole body (WB). These parameters were compared among the 3 groups using bivariate and multivariate correlation analyses. There were strong correlations among all anthropometric parameters, body composition, and DXA in the over %fat group. Lean parameters strongly correlated with LS and WB in the normal %fat group, whereas both lean mass (LM) and fat mass (FM) were positively correlated with BMC in the excess %fat group. The predictive factors of bone mass differed among the groups, as follows: lean body mass was predictive of BMD and BMC at both sites in the normal and over %fat groups; LM and body weight were predictive of LS-BMC and WB-bones, respectively, in the over %fat group; and FM was predictive of WB-bones in the excess %fat group. Body fat and waist circumference were negative predictors of bone mass. Predictive factors of bone strength appear to depend on the amount of body fat in adolescent girls.

An inquest into the resource mobilization and utilization capacity of local leaders for community resilience to agriculture-threatening droughts and floods

The main objective of the study was to analyze the relationship between resource mobilization and utilization capacity of local leaders and community resilience to droughts and floods in Lower Muzarabani District of the Zambezi Valley in Zimbabwe. Continual exposure to the hydro-climatic disasters of droughts and floods in Lower Muzarabani has accelerated the vulnerability of poor rural communities, plunging them deeper into poverty and preventing them from taking advantage of economic opportunities. With Lower Muzarabani faced with increasing magnitude, frequency and intensity of droughts and floods, the need for concerted efforts towards building disaster-resilient communities can never be overemphasized. The Conjoint Community Resilience Assessment Model (CCRAM) Household Questionnaire was used to collect data in face-to-face interviews among the sampled households. in Lower Muzarabani. The original CCRAM Model structure, consisting of 5 disaster-resilience factors (Leadership, Collective Efficacy, Preparedness, Place Attachment, and Social Trust) and 28 items, was used as the basis for the survey. The multi-stage sampling method was used in selecting the 200 households for the survey. The major finding obtained with the use of the Pearson Bivariate Correlation Analysis and Linear Regression Analysis was that the efficiency and effectiveness of resource mobilization and utilization activities (represented in the CCRAM model by the preparedness factor) significantly and positively influence community resilience to the hydro-climatic disasters of droughts and floods in Lower Muzarabani.

A novel test for hyposalivation using a sugar cube.

Hyposalivation is a highly prevalent condition in old persons. The aim of this study was to assess a novel tool for the diagnosis of hyposalivation using a sugar cube and to compare its reliability to other validated test methods. Five tests were performed: unstimulated salivary flow test by draining method (USFT), oral moisture device Mucus® (MCS), sugar cube test (SCT), stimulated salivary flow test by chewing gum (CG) and Saxon test (SX). The sugar cube test consisted in measuring the time needed to disintegrate a standard-sized sugar cube N°4 (5.6 g) placed beneath the tongue. Bivariate correlation analyses were performed. ROC curve analysis and the Youden Index were used to determine the cut-off value. Sensitivity and specificity were calculated according to the determined cut-off point. A total of 121 participants were recruited, with an average age of 49.8 ± 18.2 years. The USFT was best correlated with the SCT. No correlation was found between SCT and the stimulated saliva tests (CG, SX) as well as the MCS test. According to the Youden index, 140 s is appropriate to diagnose hyposalivation. Sensitivity of .64 and specificity of .91 were found for SCT using USFT as gold standard. The mean subjective evaluation score of the SCT was 3.1 ± 1, significantly higher than USFT 2.6 ± 1.1 (p < .05). The sugar cube test proved to be a useful method for assessing unstimulated salivation, reducing test execution time and causing less participant discomfort than the gold standard unstimulated salivary flow test.

Relationship between age and remimazolam dose required for inducing loss of consciousness in older surgical patients.

Remimazolam is a new ultra-short-acting benzodiazepine for procedural sedation and general anaesthesia, characterised by rapid onset of action, quick recovery, and organ-independent metabolism. Older patients tend to sustain more treatment-emergent adverse events (TEAEs) and worse perioperative prognoses after receiving remimazolam. However, few studies have investigated the appropriate dose of remimazolam for loss of consciousness (LOC) in geriatric patients. We designed this study to provide evidence for dose references and elucidate the relationship between age and remimazolam requirement for inducing LOC during anaesthesia induction. Exactly 120 patients scheduled for general surgery under general anaesthesia were included and divided into two groups: Group A (60 patients, 18-64 years) and Group B (60 patients, ≥ 65 years). LOC, defined as a Modified Observer's Assessment of Alertness and Sedation score at 1 had been reached, emerged after all participants received a continuous infusion of remimazolam at a rate of 0.05 mg/kg/min. The remimazolam required for inducing LOC was 0.26 and 0.19 mg/kg in groups A and B, respectively, and the remimazolam dose in group B decreased by 26.9% compared to group A. According to the bivariate linear correlation analysis, remimazolam requirement was negatively correlated with age. Multivariable linear regression models and further adjustments for potential impact factors indicated that age was an independent factor for the remimazolam dose required for LOC. This study demonstrated that age was significantly and independently correlated with the remimazolam requirement for inducing LOC. To obtain haemodynamic stability during the induction of general anaesthesia, appropriately reducing the remimazolam dose is recommended for geriatric patients.

The development, validation, and application of the campus walk score measurement system

Improving campus walkability can encourage students to walk and may inhibit the development of sedentary lifestyle habits, obesity, diabetes, and other health issues. This study aimed to formulate an optimized campus Walk Score (WS) measurement system that combines students' weekly demand for the use of facilities and unique campus environments. Bivariate correlation analysis and regression models were used to verify this system. The verified system was further applied to assess campus walkability and its influencing factors. The facility weight and walking time were established through questionnaires distributed on eight campuses in Tianjin, China. GIS and field audits were utilized to collect data on the objective built environment (BE), subjective environmental quality variables, and pedestrian volume (PV). Pearson's correlation analysis and Negative binomial regression models without spatial autocorrelation were used to verify the campus WS measurement system. The significant relationships between BE features and overall WS were found. PV was significantly correlated with overall WS and classified WSs. These findings were all found in the overall and three types of campuses. Therefore, our optimized system can be verified. Additionally, the WS was closely associated with facility distribution, planning mode, and other spatial attributes. Based on our results, how our findings can be utilized to promote campus walkability was proposed.

Relationship between Depressive Symptoms, Caregiver Strain, and Social Support with Dementia Grief in Family Caregivers.

Background and Objectives: Dementia grief in family caregivers of people with dementia refers to grieving prior to the death of the care recipient. It is related to psychosocial risk factors that may have a negative impact on the health of these family caregivers. This study aimed to describe the relationship between depressive symptoms, caregiver strain, and social support with dementia grief in family caregivers of people with dementia. Materials and Methods: A descriptive correlational cross-sectional study was conducted. A total of 250 family caregivers of people with dementia participated. Dementia grief was the main variable, and depressive symptoms, caregiver strain, and social support were assessed. Additionally, socio-demographic data were collected. Descriptive statistics were calculated, and a bivariate correlation analysis and a multiple linear regression analysis were performed for dementia grief. Results: Higher scores for dementia grief were found in women, in family caregivers of patients at advanced stages of dementia, and in family caregivers with a low level of education. High levels of depressive symptoms and caregiver strain and low levels of social support indicated greater intensity of dementia grief. Depressive symptomatology was the variable with the greatest influence on dementia grief. Caregiver strain and social support also related to dementia grief, but to a lesser extent. Conclusions: In family caregivers, depressive symptoms, caregiver strain, and social support are related to the intensity of dementia grief, with a greater influence of depressive symptoms. Moreover, being female, having a low level of education, and caring for a care recipient at an advanced stage of dementia are factors associated with increased dementia grief. Concerning study limitations, the sample was restricted, belonging to a specific region of Spain and to a Provincial Federation of associations. It is necessary to exercise caution in generalizing results due to the sociodemographic and geographical characteristics of the sample.

Decreased Serum Levels of the Insulin Resistance-Related microRNA miR-320a in Patients with Polycystic Ovary Syndrome.

Polycystic ovary syndrome (PCOS) is often associated with metabolic abnormalities in the affected patients such as obesity or a dysregulated glucose metabolism/insulin resistance (IR). IR affects the serum levels of several circulating microRNAs; however, studies on the association between IR-related microRNAs and PCOS are scarce. Therefore, we quantified the serum levels of the IR-associated microRNAs miR-93, miR-148a, miR-216a, miR-224 and miR-320a via qPCR in a cohort of 358 infertility patients, of whom 136 were diagnosed with PCOS. In bivariate correlation analyses, the serum levels of miR-93 and miR-216a were inversely associated with dipeptidyl peptidase 4 serum concentrations, and the miR-320a serum levels were significantly downregulated in PCOS patients (p = 0.02, Mann-Whitney U test). Interestingly, in all patients who achieved pregnancy after Assisted Reproductive Technology (ART) cycles, the serum levels of the five IR-associated microRNAs were significantly elevated compared to those of non-pregnant patients. In cell culture experiments, we detected a significant upregulation of miR-320a expression following testosterone stimulation over 24 and 48 h in KGN and COV434 granulosa carcinoma cells. In conclusion, we demonstrated a significantly reduced serum level of the IR-associated miR-320a in our patient cohort. This result once again demonstrates the close relationship between metabolic disorders and the dysregulation of microRNA expression patterns in PCOS.

Exploring anti-inflammatory and antioxidant-related quality markers of Artemisia absinthium L. based on spectrum-effect relationship.

Artemisia absinthium L. is a well-known medicinal, aromatic, and edible plant with important medicinal and economic properties and a long history of use in treating liver inflammation and other diseases; however, there has been insufficient progress in quality control. This study aimed to investigate the quality markers for the anti-inflammatory and antioxidant activities of A.absinthium based on spectrum-effect relationship analysis. Eighteen batches of A.absinthium from different origins were used. Chemical fingerprints were obtained by ultra-performance liquid chromatography (UPLC). The chemical compositions were identified by quadrupole-Orbitrap high-resolution mass spectrometry. Anti-inflammatory activity was assessed by inhibition of cyclooxygenase-2 and 15-lipoxygenase in vitro and inhibition of nitric oxide release in lipopolysaccharide-induced BV-2 cells. Antioxidant activity was assessed by DPPH and ABTS radical scavenging assays. The relationship between bioactivity and chemical fingerprints was then analyzed using chemometrics including gray relational analysis, bivariate correlation analysis, and orthogonal partial least squares analysis. Different batches of A.absinthium extracts possessed significant anti-inflammatory and antioxidant activities to varying degrees. Eighty compounds were identified from A.absinthium, and 12 main common peaks were obtained from the UPLC fingerprints. P3 (chlorogenic acid), P5 (isochlorogenic acid A), and P6 (isochlorogenic acid C) were screened as the most promising active compounds by correlation analysis and further validated for their remarkable anti-inflammatory effects. This is the first study to screen the quality markers of A.absinthium by establishing the spectrum-effect relationship, which can provide a reference for the development of quality standards and further research on A.absinthium.

Association between serum 25-hydroxyvitamin D level and inflammatory markers in hemodialysis-treated patients.

To investigate the relationship between serum 25-hydroxyvitamin D (25(OH)D) level with novel inflammatory markers in hemodialysis-treated patients. A total of 167 maintenance hemodialysis-treated patients were enrolled in this cross-sectional study. The patients were divided into vitamin D deficiency (a serum 25(OH)D level <20 ng/mL) and nondeficiency (a serum 25(OH)D level ≥20 ng/mL) groups. The neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), and monocyte to lymphocyte ratio (MLR) were calculated by the complete blood cell count. The relationship between 25(OH)D level with other parameters was assessed by bivariate correlation analysis and linear regression analysis. There were significant differences between the two groups in terms of age, diabetes, levels of albumin, creatinine, high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) as well as NLR and MLR (p = .004, p = .031, p < .001, p = .043, p = .008, p = .006, p = .002, and p < .001, respectively). There exist negative correlations between serum 25(OH)D level with age, diabetes, alkaline phosphatase level, NLR, PLR, and MLR (p = .002, p = .002, p = .037, p = .001, p = .041, and p < .001, respectively) and positive correlations between serum 25(OH)D level with albumin level, creatinine level, phosphorus level, HDL-C, and LDL-C (p < .001, p < .001, p = .013, p = .02, p = .002, respectively). Multiple analysis results showed that sex, diabetes, albumin level and NLR were independently associated with serum 25(OH)D level (p = .021, p = .015, p = .033, and p = .041, respectively). High values of NLR and MLR were associated with patients with serum 25(OH)D deficiency. There were negative interplays between serum 25(OH) D level with NLR, PLR, and MLR and also an independent association between serum 25(OH) D level with NLR. Collectively, serum 25(OH)D level has a negative correlation with inflammatory markers.

An evaluation of sexual function and health-related quality of life following laparoscopic surgery in individuals living with endometriosis.

What is the relationship between sexual function, health-related quality of life (HRQoL), and laparoscopic surgery in individuals living with endometriosis? A higher number of laparoscopic surgeries is significantly associated with poorer HRQoL and greater levels of sexual dysfunction in individuals with endometriosis. Prior research indicates that endometriosis is associated with lowered HRQoL and sexual function and that these outcomes are influenced by endometriosis-related symptom profiles, medical, and surgical management. A limited number of studies have examined changes in sexual function in individuals with endometriosis following laparoscopic surgery or following repeated surgeries. A cross-sectional community-based online survey was used to examine the relationships between sexual function, HRQoL, and laparoscopic surgery (n = 210). Individuals with a self-reported diagnosis of endometriosis were recruited via online advertising through social media and gynaecology clinics. Endometriosis-specific data (e.g. diagnostic delay, symptom experience) was collected in addition to engagement with laparoscopic surgery, level of HRQoL (EuroQol-5 Dimension: EQ-5D-5L), and sexual function (Female Sexual Function Index: FSFI). Bivariate correlational analyses and hierarchical multiple regression were used to determine the associations between the variables of interest. Individuals with endometriosis have substantially poorer HRQoL in comparison to Australian normative samples, with greater levels of endometriosis-related symptom burden, distress, and pain significantly associated with lower levels of HRQoL. The mean FSFI score was suggestive of clinically significant female sexual dysfunction, with the lowest level of function noted in the domain of sexual pain and the highest level of function noted in the sexual satisfaction domain. A greater number of laparoscopic surgeries was significantly associated with poorer overall HRQoL and greater levels of sexual dysfunction. The cross-sectional nature of the data precludes direct findings of causality and further longitudinal research is recommended. The information pertaining to engagement in laparoscopic surgery was self-report in nature and was not medically verified. The study's findings highlight the pervasive impact of endometriosis on all domains of living, emphasizing the need to extend treatment planning beyond that of physical pain management alone. Early referral for assessment and management of sexual wellbeing is recommended prior to, and post-surgical intervention, with a focus on maintaining post-surgical changes, potentially reducing the need for multiple surgeries. The study was not associated with research funding. Author CN reports grant funding from the Australian Government and Medical Research Future Fund (MRFF) and was a previous employee of CSL Vifor (formerly Vifor Pharma Pty Ltd). N/A.

CORRELATION BETWEEN AXIAL LENGTH AND THE OCCURRENCE OF REFRACTIVE ERRORS

Background: Refractive errors result in difficulty in focusing on an object clearly, leading to blurred vision. A recent study by the WHO has reported that refractive errors have become the leading cause of visual impairment. The development of refractive errors has been a significant concern over the last two decades due to its high prevalence worldwide. One possible condition that may occur in individuals with refractive errors is a change in axial length. Axial length is defined as a measurement from the corneal surface to the retinal surface. Aims: To analyze the correlation between axial length and the occurrence of refractive errors in myopia and hypermetropia patients at the Ophthalmology Department of Diponegoro National Hospital. Methods: This observational analytical study with a cross-sectional design was conducted on 36 eyes from 18 patients; each suffering from myopia and hypermetropia at the Ophthalmology Department of Diponegoro National Hospital. Patients provided informed consent and then the axial length was measured using ultrasound biometry. Data analysis was performed using univariate analysis and Spearman correlation bivariate analysis. Results: The results of the Spearman statistical test showed a significant correlation between the axial length and the occurrence of myopia (p=0.003) with a moderate correlation strength and the occurrence of hypermetropia (p=0.000001) with a strong correlation strength. Conclusion: The axial length has a significant correlation with the occurrence of refractive errors, especially in myopia and hypermetropia patients.

Correlation Analysis of Urban Road Network Structure and Spatial Distribution of Tourism Service Facilities at Multi-Scales Based on Tourists’ Travel Preferences

Harbin, as a popular tourist city in China, and the host of the 2025 Asian Winter Games, boasts rich tourism resources and significant potential for further development. The structure of the urban road network is a crucial factor influencing the spatial distribution of tourism service facilities. However, the current research on the correlation between the two, analyzed at multiple scales based on tourists’ travel preferences, is not sufficient. First, utilizing the questionnaire survey method to analyze tourists’ travel preferences and combining it with the theory of 15-min life circle, we determine the study scales at 500 m, 1000 m, 3000 m, and 5000 m. Secondly, the integration value and choice value of roads in the main urban area of Harbin are analyzed based on the theory of spatial syntax. The spatial distribution characteristics of tourism service facilities are then revealed through kernel density analysis. Finally, the correlation between the road network structure and the distribution of various types of tourism service facilities in Harbin at different scales is determined through buffer analysis and Pearson bivariate correlation analysis. The results show that: (1) Integration value plays a significant positive role in promoting the clustering of tourism service facilities, especially tending to cluster in areas with high integration value formed at a scale of 500 m; (2) At the scale of 3000 m, the distribution of tourism service facilities exhibits a significant correlation with the choice value; (3) The correlation between dining, shopping, and entertainment facilities and the integration value decreases with the increase in scale, whereas the spatial distribution of accommodation and attraction facilities does not exhibit a regular pattern with changes in integration value. In addition, this paper also puts forward targeted suggestions for optimizing the urban road network structure, reasonably locating tourism service facilities, and implementing balanced regional development. The contribution of this study is that it will help improve tourists’ travel experience in the city and provide scientific support for promoting the overall sustainable development of tourism in Harbin.

Multiple Dimensions of Functional Traits in Subtropical Montane Mosses

The study of functional traits and their relationship to trade-offs has provided valuable insights into how plants adapt to environmental changes. Nonetheless, further research is necessary to fully comprehend the subtropical montane trade-off patterns in moss functional traits and the impact of environmental gradients on the correlation of these traits. To address this gap, we conducted a study of 11 moss species (7 families, 9 genera) in 54 patches from two subtropical mountain ranges, examining 40 functional traits related to photosynthesis, nutrients, water retention, and architecture. Through principal component analysis (PCA) and bi-variate correlation analysis, our findings reveal a strong correlation between light capture and nutrient assimilation strategies, as evidenced by the coordination between the traits of light capture and nutrient per area along a main principal component. Interestingly, we observed a trend towards smaller leaves and leaf cells in species with higher capacity for photosynthesis and metabolism, consistent with global trait spectra in vascular plants. However, we found that the trade-off between light capture and nutrient assimilation strategies was independent of water-holding capacity at shoot levels. Instead, we found that water-holding capacity was closely associated with nutrient utilization, energy metabolism, chlorophyll synthesis, and the primary process of photosynthesis. Our results highlight the multiple dimensions of functional traits in subtropical montane mosses and demonstrate that variation in these traits is driven by water availability, slope, and canopy density. Overall, our study provides valuable insights into the co-variation of moss traits and how environmental changes may impact mosses and ecosystem function.