Introduction: Gastroparesis is known to be more prevalent in females than males, even though the pathophysiology behind it remains unclear. There is lack of gender specific comparison of gastroparesis in terms of demographics and comorbidities. The aim of the study was to compare the demographics and comorbidities of gastroparesis between female and male patients. Methods: Patients who had completed a gastric emptying study and diagnosed with gastroparesis were identified using a nationwide database, IBM Explorys (1999-2022). The following conditions were excluded: cyclical vomiting syndrome, psychoactive substance abuse, eating disorder, factitious disorder, chemotherapy, malignant tumor of esophagus and stomach, neoplasm of abdomen, gastric or intestinal obstruction, IBD, adhesion of intestine, carcinomatosis, perforation of intestine, Roux-en-Y gastrojejunostomy, and gastrectomy. Patients were subdivided into males and females. Demographic information, clinical symptoms and comorbidities were collected. Chi-square tests were performed to compare categorical data. Odds Ratios with a 95% confidence interval were reported. Results: A total of 17,570 patients were identified with gastroparesis, of which 13,090 (75%) patients were females and 4,390 (25%) patients were males. Females and males demonstrated similar trend in the distribution of ethnicity: most patients were White (76.6 vs 74.0%), followed by African American (13.0 vs 14.4%) and other races respectively (Table). There was a higher percentage of females than males in the younger age group: age 20-29 (F vs M: 5.3 vs 4.3%) and age 30-39 (F vs M: 13.8 vs 11.4%) respectively. Male patients with GP had a higher prevalence of diabetes mellitus (M vs F: 52.8 vs 42.8%) and other comorbidities, such as: hypertension (64.0 vs 54.5%), hyperlipidemia (57.2 vs 50.1%), chronic kidney disease (24.1 vs 15.8 %), coronary artery disease (26.4 vs 16.6 %) and smoking (16.6 vs 13.8%) (All P value < 0.0001) (Figure). Female patients had a higher prevalence of anxiety (F vs M: 41.3 vs 27.1%), depression (45.8 vs 31.7%), autoimmune conditions (13.8 vs 5.0%) and morbid obesity (15.6 vs 11.6%) (All P value < 0.0001). Conclusion: Female and male patients with gastroparesis demonstrate similar ethnic distribution. There is a higher percentage of female patients than males in the younger age group. However, female and male patients demonstrate different comorbidities.Figure 1.: Comparison of Comorbidities Between Female and Male patients with Gastroparesis. Table 1. - Comparison of Demographics and Comorbidities Between Female and Male Patients with Gastroparesis Female (N=13090) % Male (N=4390) % OR P Age 20-29 690 5.3% 190 4.3% 1.04-1.45 0.0135 30-39 1810 13.8% 500 11.4% 1.12-1.39 < 0.0001 40-49 2370 18.1% 740 16.9% 1.00-1.19 0.0612 50-59 2710 20.7% 1060 24.1% 0.76-0.89 < 0.0001 60-69 2810 21.5% 970 22.1% 0.89-1.05 0.3811 70-79 2000 15.3% 720 16.4% 0.84-1.01 0.0760 80-89 930 7.1% 290 6.6% 0.94-1.24 0.2618 90 above 260 2.0% 80 1.8% 0.85-1.41 0.4963 Race Caucasian 10030 76.6% 3250 74.0% 1.06-1.24 0.0005 African American 1700 13.0% 630 14.4% 0.81-0.98 0.0215 Asian 110 0.8% 50 1.1% 0.06-0.09 < 0.0001 Hispanic/Latino 120 0.9% 40 0.9% 0.70-1.44 0.9733 Unknown/Other 1130 8.6% 420 9.6% 0.79-1.00 0.0595 Comorbidities DM 5600 42.8% 2320 52.8% 0.62-0.71 < 0.0001 HTN 7130 54.5% 2810 64.0% 0.63-0.72 < 0.0001 HLD 6560 50.1% 2510 57.2% 0.70-0.81 < 0.0001 CKD 2070 15.8% 1060 24.1% 0.54-0.64 < 0.0001 CAD 2170 16.6% 1160 26.4% 0.51-0.60 < 0.0001 Smoking 1810 13.8% 730 16.6% 0.73-0.88 < 0.0001 Anxiety 5410 41.3% 1190 27.1% 1.76-2.04 < 0.0001 Depression 6000 45.8% 1390 31.7% 1.70-1.96 < 0.0001 Autoimmune disease 1800 13.8% 220 5.0% 2.62-3.49 < 0.0001 Morbid obesity 2040 15.6% 510 11.6% 1.27-1.56 < 0.0001
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