Korean J Fam Pract. 2018; 8(2): 201-206  https://doi.org/10.21215/kjfp.2018.8.2.201
The Association between Obesity and Gastric Ulcer in Korean Adult
Youngjung Kim, Eun-Ki Kim*, Ho-joon Lee, jonghwa Kuk, Joo-Hwa Park, Jun Ko, Joungyoun Kim, Bo-Mi Jeong
Department of Family Medicine, Hankook General Hospital, Cheongju, Korea
Eun-Ki Kim
Tel: +82-43-222-7000, Fax: +82-43-255-7007
E-mail: keunk7268@hanmail.net
ORCID: http://orcid.org/0000-0001-9100-9905
Received: March 31, 2017; Revised: October 10, 2017; Accepted: October 19, 2017; Published online: April 20, 2018.
© The Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: Many studies have been conducted on the association between esophagogastroduodenoscopy (EGD) findings and obesity. However, no reports have indicated that obesity, diagnosed in accordance with the Korean Society for the Study of Obesity criteria, could be associated with gastric ulcer. Therefore, we investigated the relationship between obesity and gastric ulcer.
Methods: We collected data from 3,901 subjects who underwent EGD among the patients who visited a Korean general hospital between January 2014 and May 2014 for medical examination. All the subjects were surveyed for age, sex, smoking habit, and standard physical measurements, such as body mass index (BMI), resting blood pressure, waist measurement, and estimated fasting blood glucose and serum lipid levels, and underwent gastroendoscopic examination. BMI was classified into two groups (BMI of 25 kg/m2 or waist measurement of >90 cm for men and >85 cm for women and BMI of <25 kg/m2, obese or normal). The study subjects were classified into two groups according to EGD findings (normal or gastric ulcer).
Results: Of the 3,901 subjects, 89 had gastric ulcer while 3,801 did not. The obese group consisted of 1,234 subjects; and the normal group, 2,667 subjects. In comparison to the normal group, in the gastric ulcer group, the proportions of male and obese subjects, mean age, and diastolic blood pressure (BP) were higher and mean high-density lipoprotein level was lower. After adjusting for age, sex, smoking habit, fasting glucose level, resting BP, and serum lipid levels, gastric ulcer risk was not significantly higher in the obese group than in the normal weight group.
Conclusion: Obesity was not related to gastric ulcer.
Keywords: Gastric Ulcer; Obesity; Body Mass Index; Esophagogastroduodenoscopy
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