Relative Frequency Analysis Research Articles

A large-scale, multicenter characterization of BRAF G469V/A-mutant non-small cell lung cancer.

Mutated BRAF is identified in 1%-5% non-small cell lung cancer (NSCLC) patients, with non-V600 mutations accounting for 50%-70% of these. The most common non-V600 mutation is BRAF G469V/A. Currently, there are no targeted therapies available for non-V600 mutated patients. A recent report provided interesting preclinical evidence revealing sensitivity of BRAF G469V to epidermal growth factor receptor (EGFR) inhibitors, raising the possibility of repurposing anti-EGFR agents. It is therefore worthy to characterize the clinical and molecular features of BRAF G469V/A-mutant NSCLC to provide more insights for precision therapy. We conducted a retrospective screening of 25,694 Chinese patients with advanced or metastatic NSCLC to identify individuals with mutated BRAF. Additionally, we performed similar screenings on patients with adenocarcinoma (LUAD) from The Cancer Genome Atlas (TCGA) cohort (n = 567) and the MSKCC cohort (n = 1152). Subsequently, we characterized the clinical and molecular features of the patients carrying BRAF mutations. BRAF G469V was identified in 28 (0.1%) patients from the Chinese NSCLC cohort and 5 (0.9%) from TCGA-LUAD. Notably, none was identified in the MSKCC cohort. G469A was found in 79 (0.3%) Chinese patients, 2 (0.4%) from TCGA-LUAD, and 9 (0.8%) from the MSKCC cohort. Relative allele frequency analysis suggested most BRAF mutations as driven clones. Tumor mutation burden (median 4 mutations/Mb) was not significantly different between patients carrying G469V, G469A, V600E, or other BRAF mutations. Surprisingly, KRAS mutations were found in approximately 50% of patients with G469V mutation and about 8% of patients with G469A mutation, representing a prominent potential resistance mechanism against EGFR inhibitors. Structural modeling suggested BRAF G469V and G469A as binding partners of gefitinib. Our large-scale analysis characterized the prevalence and mutational landscape of BRAF G469V/A-mutant NSCLC and proposed gefitinib as a potential option, providing a basis for further investigations on treating BRAF-mutated NSCLC.

Quantitative and Qualitative Characteristics (Phenotype) of Laying Ducks in Ternate City as the Basis for Local Livestock Breeding in North Maluku Province

Duck is a producer of animal protein whose production is eggs and meat, is a type of poultry that has the potential to be developed in the city of Ternate. However, until now there has been no characterization research in Ternate City. The aim of the study was to determine the phenotype characteristics as the basis for breeding local cattle in North Maluku. The materials used were adult male and female laying ducks, the variables observed were male ducks, qualitative characteristics were the character of coat color, beak color, eye color and quantitative characteristics were measured body size including femur length, tibia length, shank length, shank circumference, length wingspan, chest length, chest width, chest depth and hip width. calculating the mean formula, standard deviation and coefficient of diversity, qualitative characteristics of ducks using relative frequency analysis. The results showed that the quantitative characteristics of female ducks were more similar than those of male ducks. While the qualitative nature, the color is relatively the same both males and females have brown fur, only one is blackish brown, the skin color of the legs and beak is more dominantly black and brown compared to yellow, black yellow and brown yellow.

DOENÇA DE HAFF: IMPACTOS ECONÔMICOS NA COMERCIALIZAÇÃO DE PESCADO NAS FEIRAS LIVRES DE BELÉM, ESTADO DO PARÁ

The commercialization of fish in free fairs is a very important activity, as the traders of this product guarantee their family maintenance from this practice. However, with the recent outbreak of Haff disease in the Amazon region, there has been a clear decline in trade in fish products. Thus, the objective of this work was to identify the effects of Haff disease caused to fish traders in free markets in the metropolitan region of Belém do Pará. The study region comprises the municipality of Belém, in the state of Pará, where technical visits were made to five of the main free fairs in the region in the period of October and November 2021. Semistructured questionnaires were applied and the responses were drawn up and processed using descriptive statistics and relative frequency analysis for plotting the graphs. 82 fish traders were interviewed at street markets where most were men over 50 years old and low level of education, it was identified that few had knowledge about Haff disease and that the disease had an impact on the economic aspect of traders of fish. Therefore, the Haff disease interfered with the economic behavior of the stallholders, showing that the fish trade is of paramount importance for the livelihood of this class.

Application of Elements of Human Resource Management Strategic: Does it Affect the Work Performance of Koperasi Kencana Makmur Lamongan Employees?


 
 This study aims to describe efforts to improve work performance through the application of
 strategic HRM elements and employee performance achievements covering efforts to compl
 ete tasks, understanding task perceptions, output quality, output quantity, work time effectiveness,
 and career development at the Koperasi Kencana Makmur. Using descriptive and inferential
 statistical analysis methods. Descriptive analysis was used to det
 ermine respondents' perceptions
 of strategic HRM elements and employee performance. Furthermore, relative frequency analysis,
 average count and maximum and minimum values of variables, indicators and research items
 were carried out, to measure the relation
 ship between variables using multiple linear regression
 analysis. Aims to explain the influence of strategic HRM elements on work performance. Using
 the population of all permanent employees of the Koperasi Kencana Makmur. Sampling using
 proportional strat
 ified random sampling technique, because the population has elements that are
 not homogeneous and proportional stratified, with a sample of 60 respondents. The results of this
 study indicate that there are four independent variables, namely: growth and lea
 rning of all
 personnel (X4), integration with company strategy (X5), owning and developing collaboration
 (X8) and the active role of employees in developing the company's business (X9) which have a
 significant effect on achievement employee work, while the
 other five variables namely:
 employees' understanding of external influences (X1), understanding of labor market dynamics
 and competition (X2), having a long
 -
 term focus (X3), having and developing technical
 capabilities (X6) and owning and developing conc
 eptual ability (X7) has no significant effect on
 employee performance. that the variable active role of employees in developing the company's
 business has a greater regression coefficient of 0.512 than the regression coefficients of other
 variables. It can
 be emphasized that the variable active role of employees in developing the
 company's business has a dominant and positive influence on employee performance
 in the
 Koperasi Kencana Makmur.
 
 
 
 

Development of Islamic Education Learning Design in Independent Learning Era based on Dick and Carey in Senior High School

This study aims to develop an Islamic Education (PAI) learning design in the Independent Learning era at SMA Bone Bolango Regency. The research method used is development (R&D) to produce PAI learning design products in the Independent Learning era. In developing the PAI learning design in the Independent Learning era, the Dick and Carey model was used, which has stages, namely: (1) determining general goals, 2) needs analysis, (3) student analysis, (4) formulating specific goals, (5) developing instruments, (6) developing strategies, (7) selecting content, materials, and media, (8) formative evaluation and revision (9) summative evaluation. A questionnaire was used as the main technique in data collection. Data analysis was performed using relative frequency analysis. The results showed the development of PAI learning designs in the Independent Learning era with the principles of being efficient, effective, and student-oriented through the stages, namely 1) determining general goals, 2) needs analysis, 3) student analysis, 4) formulating specific goals in the form of ABCD (Audience, Behavior, Condition, and Degree), 5) developing instruments in the form of pretest and posttest, 6) developing strategies that include a scientific approach, 21st-century learning characteristics, cooperative learning models, 7) selecting content, materials, and media through MS 365 application, 8) evaluation and revision 9) summative evaluation. The novelty of this research is the learning design that is compiled based on systems and web-based teaching materials using the MS 365 application. The impact of the results of this research is that teachers need to increase competence in designing system-based learning and innovation in using media or web-based teaching materials to implement freedom to learn now and in the future.

Preferred Neighborhood Projects Among Millennials: Yes, In My Backyard

The millennial generation, Gen Y and Gen Z, have different residential preferences compared to the previous generation. This study aims to understand the millennial’s preferences towards the type of project development and their willingness to pay for the premium towards the preferred type of development to be built in their neighborhood. A total of 407 responses were collected through online survey and analyzed by using relative important index and frequency analysis. The results imply that millennials prefer recreational park, police booth, community garden, transit station and feeder bus route to be built within their neighborhood. Nevertheless, millennials are more willing to pay for the transit station, followed by educational institution, recreational park, police booth, and integrated public transport terminal. This study will help planners, developers, and the local authority to understand the preferences among the millennials, thus matching with relevant development to enhance liveability and better marketability of their residential project.

Stress and depression in university health students

Objective: to analyze the association between stress and depression in university health students. Methods: cross-sectional study conducted with 792 university health students. The research instrument consisted of characterization of the students, Beck Depression Inventory version II and the Perceived Stress Scale. Absolute and relative frequency analysis, mean, standard deviation, median, interquartile range, and analytical statistics were used. Results: an association between depression and stress was observed (p<0.001) as well as a strong correlation between them (r=0.731; p<0.001). In high level of stress 9.5% of the students were found and in moderate to severe intensity of common symptoms of depression, 23.6% of them. Conclusion: a difference was noticed in the averages between the levels of depression and stress, in that the higher the level of depression, the higher the average stress. Contributions to practice: stress is related to depression in university health students, who, after graduation, may enter the labor market already sick, which brings implications for interpersonal relationships, worker health and patient safety. This enables higher education institutions to reflect on the organization of practices and intervention policies for the reduction of stress and depression among students.

Morphotype Classification Criteria and Influence of Sociocultural Factors on Perceived Shea Tree (Vitellaria paradoxa C.F. Gaertn) Natural Variation across Parklands in Benin.

Trait diversity is crucial in undertaking the domestication of useful species such as Vitellaria paradoxa which makes a significant contribution to the rural household economy in Africa. This study aims to document the criteria farmers use to distinguish shea trees; how they vary according to age, education level and sociolinguistic group; and their perception of trees’ abundance and production. We surveyed 405 respondents across shea parklands in Benin using a semi-structured questionnaire. We used the Kruskal-Wallis test to evaluate the influence of sociodemographic attributes on relative criteria citation frequency and principal components analysis to characterize farmers’ perception on morphotypes’ abundance, fruits, and butter yields. The five most cited criteria were fruit size (55.5%), tree fertility (15.40%), bark colour (10.51%), timing of production (5.38%), and pulp taste (3.42%). The citation frequency of criteria varied significantly depending on the sociodemographic factors considered. Trees having small fruit (‘Yanki’) were reported to be widespread and high fruit/nuts and butter producers. Farmers perceived five important traits with variable importance depending on the sociocultural factors studied. This finding is a key step toward the development of a shea improvement program that could focus on the morphotype Yanki reported to potentially be a high fruit and butter producer.

Analysis of economic viability under risk conditions of a beef cattle feedlot system in São Paulo State, Brazil

Purpose: Assess the sensitivity and economic viability of the beef cattle feedlot system using as a reference a farm located in northern São Paulo State, Brazil.
 Methodology: A multidimensional approach was used to assess sensitivity. Financial results were analyzed in terms of cash flow using the net present value (NPV) as a viability indicator. Risks were incorporated using Monte Carlo simulations, considering feed, animal purchase, and animal selling prices as discrete random variables. The value measure was NPV, calculated using a minimum attractive rate of return of 7.55% per semester. Probabilities were estimated by relative frequency analysis.
 Results: The probability of a feedlot being economically attractive was 30.2%, indicating that the system was not viable in 69.8% of the cases. Sensitivity analysis showed that the feedlot was most vulnerable to fluctuations in selling price (a 1% increase in fed cattle price generated a 46% increase in NPV), followed by feeder cattle price (a 1% increase in feeder cattle price led to a 29% reduction in NPV) and feed price (a 1% increase in feed price produced a 12% reduction in NPV).
 Contributions of the Study: The findings of this study may support new evaluations in representative samples, complement previous studies on the topic, and assist decision makers.

The practice of radiation protection in an interventional neuroradiology service.

Interventional neuroradiology procedures subject professionals who work in this area to high doses of ionizing radiation, and such exposure leads to a higher chance of occupational diseases related to this physical risk. Radiation protection practices aim to reduce the occurrence of such damage to the health of these workers. To identify how the practice of radiation protection occurs in a multidisciplinary team of an interventional neuroradiology service in the state of Santa Catarina, Brazil. A qualitative, exploratory, and descriptive research conducted with nine health professionals from the multidisciplinary team. Non-participant observation and a survey form were used as data collection techniques. For data analysis, descriptive analysis based on absolute and relative frequency and content analysis were used. Although some practices showed the use of radiation protection measures in practice, such as workers taking turns to perform procedures and continuous use of the lead apron as well as the mobile suspended protection, we found that most of the practices violate the principles of radiation protection. Among these inadequate radiological protection practices, the following aspects were observed: not wearing lead goggles, not using collimation to obtain the image, poor knowledge of the principles of radiation protection and biological effects of ionizing radiation, and non-use of an individual dosimeter. There was a lack of know-how of the multidisciplinary team working in interventional neuroradiology regarding the practice of radiation protection.

How Do 50-Year-Olds Imagine Their Future: Social Class and Gender Disparities

This paper empirically examines differences in how 50-year-olds imagine their future. It draws on answers to an open-ended survey question in a large British cohort study—the National Child Development Study. Over 6,700 written responses about respondents’ imagined future are examined using text mining methods. Results from a relative frequency analysis and a topic model reveal differences according to gender, occupational class, and educational qualification. The cohort members’ written texts reflect different lifestyles. Men are more likely to mention sport, like golf and football, whereas women are more prone to use words related to family and friends. Respondents with a degree are more likely to write about cultural activities, such as museum or theater visits. Overall, the findings reveal gendered and socially stratified patterns in individual future perceptions, contextualized in relation to leisure, health, and family.

Exploring the faecal microbiome of the Eurasian nuthatch (Sitta europaea).

Gastrointestinal microbiota fulfill pivotal roles in providing a host with nutrition and protection from pathogenic microorganisms. Up to date, most microbiota research has focused on humans and other mammals, whereas birds and especially wild birds lag behind. Within the field of the avian gut microbiome, research is heavily biased towards poultry. In this study, we analyzed the gut microbiome of the Eurasian nuthatch (Sitta europaea), using faecal samples of eight nestlings originating from three nuthatch nests in the south of Ghent (Belgium), using Illumina sequencing of the 16S rRNA gene. Relative frequency analysis showed a dominance of Firmicutes and Actinobacteria and to a lesser extent Proteobacteria. Bacteroidetes and other phyla were relatively rare. At higher taxonomic levels, a high degree of inter-individual variation in terms of overall microbiota community structure as well as dominance of certain bacteria was observed, but with a higher similarity for the nestlings sharing the same nest. When comparing the nuthatch faecal microbiome to that of great tit nestlings that were sampled during the same breeding season and in the same forest fragment, differences in the microbial community structure were observed, revealing distinct dissimilarities in the relative abundancy of taxa between the two bird species. This study is the first report on the nuthatch microbiome and serves as a reference study for nuthatch bacterial diversity and can be used for targeted screening of the composition and general functions of the avian gut microbiome.

Saúde bucal de pessoas idosas domiciliadas acompanhadas na atenção primária: estudo transversal

Abstract Objective to characterize the life, health, and oral health conditions of homebound older people registered in the primary care teams and oral homecare provided. Method cross-sectional, household based study with a convenience sample, in Florianópolis, southern Brazil. Data collection through a questionnaire and clinical oral examination which included sociodemographic variables, condition of teeth and mucosa, oral hygiene, access to dental care and dentist providing homecare. Absolute and relative frequency analysis and bivariate analysis (chi-square, CI=95%) were performed. Results 123 older people participated with mean age of 81.3 years, 62.6% were women. Living with a caregiver were 87%, 60% were domiciled for up to 5 years, and 89.4% were frail. Regarding the presence of teeth, 56.1% were edentulous and 40.5% had from 1 to 8 teeth. Root remains were observed in 12.8%, untreated caries lesions in 25.2%, visible biofilm in 69.9%, tooth mobility in 57.7% and mucosal lesions in 8.9% of the elders; 45.5% needed help with oral hygiene and 24.4% did not perform daily mouth cleaning. The difficulty in accessing dental care due to homeboundness was reported by 32.5% and home visits provided by the dentist occurred in only 16.3%. Conclusion the oral health of the older adults studied is poor due to the presence of oral problems that require intervention. There is dependence on third parties for oral care, which is not consistently guaranteed at home. The study points to the need for dental homecare provided by public health services.

Fever Time Series Analysis Using Slope Entropy. Application to Early Unobtrusive Differential Diagnosis.

Fever is a readily measurable physiological response that has been used in medicine for centuries. However, the information provided has been greatly limited by a plain thresholding approach, overlooking the additional information provided by temporal variations and temperature values below such threshold that are also representative of the subject status. In this paper, we propose to utilize continuous body temperature time series of patients that developed a fever, in order to apply a method capable of diagnosing the specific underlying fever cause only by means of a pattern relative frequency analysis. This analysis was based on a recently proposed measure, Slope Entropy, applied to a variety of records coming from dengue and malaria patients, among other fever diseases. After an input parameter customization, a classification analysis of malaria and dengue records took place, quantified by the Matthews Correlation Coefficient. This classification yielded a high accuracy, with more than 90% of the records correctly labelled in some cases, demonstrating the feasibility of the approach proposed. This approach, after further studies, or combined with more measures such as Sample Entropy, is certainly very promising in becoming an early diagnosis tool based solely on body temperature temporal patterns, which is of great interest in the current Covid-19 pandemic scenario.

Clinical Impact of a Radiologic Quality Initiative Promoting More Timely Communication of Critical Pulmonary Embolus Results

A section quality initiative was implemented beginning 2013 requiring positive pulmonary embolism (PE) results to be documented and communicated within 90 minutes of exam completion. The objective of this study is to evaluate the effect of this quality initiative on different intervals comprising the total patient processing time, namely the time from when the imaging exam was ordered to study completion interval, the time from study completion to positive PE result communication (TAT interval) or treatment initiation (TTT interval), the time from result communication to treatment initiation (TRCTI interval), and the total patient processing time (TPT interval). This was a retrospective, single-institution, IRB-approved cohort study that included 830 patients with the diagnosis of acute PE confirmed by CT pulmonary angiography. A maximum of 10 positive exams per month were identified and analyzed over an 84-month period from January 2010 to December 2016. The following data were obtained: time when exam ordered, time of imaging study completion, time of report completion, time of result communication, time of treatment, type of treatment, and reasons for any treatment delay. Analysis was done by determining the mean time spent in various intervals, the cumulative relative frequency of interval completion, and the fraction of the entire patient processing time spent in each interval. Mean analysis demonstrated a decrease in all time intervals in the postpolicy period (ordered to study completion: Δ24.50%, p = 0.004; TAT: Δ23.91%, p < 0.001; TRCTI: Δ16.86%, p = 0.031; TTT: Δ17.40%, p = 0.005; TPT: Δ15.94%, p = 0.002). Cumulative relative frequency analysis demonstrated a higher rate of interval completion in the postpolicy period (TAT: p < 0.001; TRCTI: p = 0.007; TPT: p = 0.025). Interval fraction analysis demonstrated changes in the fraction of processing time spent in varying intervals (TAT: -Δ14.42%, p = 0.002; TRCTI: +Δ17.65%, p = 0.001). Total patient processing time decreased after the policy implementation with a more significant decrease in TAT compared to other intervals. Radiologic processing time does not appear to be the rate-limiting step in total patient processing time.

El pretérito perfecto compuesto en relatos del castellano de Acolla (Junín)

Este artículo científico da cuenta del comportamiento morfosintáctico del pretérito perfecto compuesto (PPC) en relación con el pretérito perfecto simple (PPS) en el castellano de Acolla. El objetivo del estudio fue determinar si la frecuencia de uso del PPC era mayor al de PPS en relatos orales del pasado de esta variedad dialectal. Se trabajó sobre la base de la producción narrativa de 75 niños y niñas de seis años, monolingües del castellano. La estrategia Mi mascota favorita (MMF) resultó ser bastante efectiva para el acopio de información, insumo útil en la conformación del corpus lingüístico. Para el cálculo de la frecuencia absoluta y relativa de las formas verbales involucradas, se utilizó el programa informático Windows AntConc, versión 3.2.4. Los resultados señalan que en el castellano de Acolla, la frecuencia de uso del PPC es significativamente mayor a la del PPS tal como ocurre en otras variedades de castellano andino. Se concluye que en el castellano de Acolla, el PPC goza de mayor preferencia en narraciones que describen eventos temporalmente ocurridos no solamente en un pasado lejano sino también remoto.

Critical success factors on project and process management in competitive strategy implementation

Goal: Raise in the literature of project and process management the critical success factors needed to implement a competitive strategy aiming to rank them and to recommend guidelines for a successful competitive strategy implementation.&#x0D; Design / Methodology / Approach: In order to reach the desired objectives, a research was carried out in the literature, enabling the creation of the questionnaire applied as a data collection instrument and the use of relative frequency analysis and measure of central tendency, mode, as the statistical treatments.&#x0D; Results: All the 42 requirements raised in the literature were considered as critical success factors for competitive strategy implementation and the analysis of the professionals' answers made it possible to include a further 12 critical success factors.&#x0D; Limitations of the investigation: The size of the sample, which was conditioned to the number of respondents of the questionnaire distributed by electronic means. And because the size of the population is unknown it is not possible to realize generalizations.&#x0D; Practical implications: A recommendation for companies was prepared through four priority actions in the competitive strategy implementation. The research concluded that beyond the pillar’s strategy, processes and projects, people, in the figure of client or employees, need to be included as one of the bases for competitive advantage.&#x0D; Originality / Value: The scheme ranking the requirements relevance for competitive strategy implementation is a way to support companies to promote actions to adapt the corporate environment so that all of productive links are aligned with the strategic objectives.

Monitoramento do programa academia da saúde de 2015 a 2017

O objetivo foi analisar a implementação do Programa Academia da Saúde ao longo de três anos (2015 a 2017). Os dados são do monitoramento anual da implantação do programa no Brasil, por questionários respondidos pela gestão estadual, municipal e dos polos. Foram analisados os polos por região, profissionais atuantes, ações desenvolvidas e público-alvo. Análise descritiva e análise inferencial foram realizadas para diferenças das proporções. Observou-se um aumento na taxa de resposta ao monitoramento, especialmente na região nordeste; mais de 88% dos polos mantiveram em maior proporção profissionais de educação física; houve aumento significativo da oferta de práticas corporais e atividade física (2015 vs 2016) e, redução nas ações em alimentação (2015 vs 2016), práticas integrativas complementares (2015 vs 2016) e no atendimento à idosos (2015 vs 2017). Há uma disparidade na implementação do programa nas regiões ao longo dos anos e o monitoramento poderá contribuir para estratégias em promoção de saúde.

Assessment of risks of feline mismatched transfusion and neonatal isoerythrolysis in the Lyon (France) area.

ObjectivesThe aims of this study were to update the prevalence of different feline blood types in the Lyon (France) area, as well as to determine the risk of mismatched transfusion (MT) and neonatal isoerythrolysis (NI) in kittens with parents of unknown blood type.MethodsBlood samples were obtained from blood donor cats and cats admitted to an intensive care unit in Lyon. AB blood typing was performed using an immunochromatographic strip. The risk of MT was estimated by adding the risk of a major transfusion reaction and the risk of a minor transfusion reaction. The risk of NI was estimated according the equation (p²)(q²) + 2pq(q²), with q being the b allele frequency and p = 1 – q. The results were analysed by absolute and relative frequency analysis and multivariate analysis.ResultsThe cohort study population included 320 non-pedigree cats and 37 pedigree cats. The prevalence of blood types A, B and AB was 84.3%, 14.0% and 1.7%, respectively. Considering non-pedigree cats, the prevalence of types A, B and AB was 83.7%, 14.4% and 1.9%, respectively. There were no significant differences of blood type distribution by sex (P = 0.73) or by breed (P = 0.90). Based on these percentages, the risks of MT and NI in non-pedigree cats were 24.3% and 12.3%, respectively.Conclusions and relevanceThe prevalence of type B cats is high in the Lyon area and associated with high risks of MT and NI. These results confirm the importance of performing blood typing prior to any blood transfusion or mating.

Clinical and Radiographic Sequelae in Primary Teeth due to Dental Trauma

Objective: To evaluate the presence of clinical and radiographic sequelae in primary teeth affected by dental trauma and its association with age at the time of trauma in children attended at a Public Higher Education Institution. Material and Methods: This is a longitudinal clinical study, in which 229 patients with history of dental trauma in primary teeth were examined, totaling 390 traumatized teeth. Relative frequency analysis was used, and for associations, the Chi-square test was used to verify the relationship of age at the time of trauma with variables such as type of trauma. Results: The most prevalent age group was over 24 months, and fall from own height as the main etiological factor; 71.0% of traumas had involvement of 2 teeth, 9.5% had history of anterior trauma and 66.6% of traumas involved supporting tissues. Regarding the type of injury to dental tissue, the most prevalent was enamel fracture (58.3%) and to periodontium, lateral dislocation (30.8%). Children older than two years had less trauma related to dental tissue (p<0.01), higher number of injuries to the periodontium (p=0.03); and most of them did not present extra-oral changes associated with trauma (p=0.01). During the 12-month period, 325 teeth were examined, and the most frequent clinical sequelae observed was crown discoloration. In the radiographic evaluation, inflammatory root resorption was the most prevalent. Conclusion: Children older than two years presented more injuries to the periodontium. After 12 months, the main clinical sequelae observed was enamel discoloration and the main radiographic sequelae was inflammatory root resorption.