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Korean J Gastroenterol  <  Volume 74(3); 2019 <  Articles

Korean J Gastroenterol 2019; 74(3): 142-148  https://doi.org/10.4166/kjg.2019.74.3.142
Risk Factors for Asymptomatic Colon Diverticulosis
Hyun Jin Bae1,2, Sung Taek Kim3, Seung Goun Hong1, Hyunjeong Lee1, Hyo Sun Choi1, Yoo-kyung Cho1, Tae Hyung Kim1 and Sook Hee Chung1
Department of Internal Medicine, Anyang SAM Hospital1, Anyang; Department of Internal Medicine, College of Medicine, The Catholic University of Korea2, Seoul; Department of Radiology, Anyang SAM Hospital3, Anyang, Korea
Correspondence to: Sook Hee Chung, Department of Internal Medicine, Anyang SAM Hospital, 9 Samdeok-ro, Manan-gu, Anyang 14030, Korea. Tel: +82-31-467-9110, Fax: +82-31-467-9198, E-mail: cpcsh@hanmail.net, ORCID: https://orcid.org/0000-0002-8939-1030
Received: May 9, 2019; Revised: June 24, 2019; Accepted: June 30, 2019; Published online: September 25, 2019.
© The Korean Journal of Gastroenterology. 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 non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Backgrounds/Aims: The etiology of colon diverticulosis is related to a range of genetic, biological, and environmental factors, but the risk factors for asymptomatic diverticulosis of the colon are unclear. This study examined the risk factors for asymptomatic colon diverticulosis.
Methods: This retrospective study included examinees who underwent a colonoscopy for screening at the health check-up center of SAM Hospital between January 2016 and December 2016. The examinees with colon diverticulosis found by colonoscopy were compared with those without diverticulosis. The comparison factors were age, gender, alcohol consumption, smoking status, medical history, lipid profile, body mass index, visceral fat area, waist-hip ratio, and severity of a fatty liver.
Results: This study included 937 examinees and the overall prevalence of diverticulosis was 8.1% (76/937). Fatty liver was found in 69.7% (53/76) in cases of colon diverticulosis and 50.3% (433/861) in the control group (p=0.001). The average waist-hip ratio was 0.92±0.051 in colon diverticulosis and 0.90±0.052 in the control group (p=0.052). Multivariate analysis revealed the waist-hip ratio (OR=1.035, 95% CI 1.000-1.070, p=0.043), moderate fatty liver (OR=2.238, 95% CI 1.026-4.882, p=0.043), and severe fatty liver (OR=5.519, 95% CI 1.236-21.803, p=0.025) to be associated with an increased risk of asymptomatic colon diverticulosis.
Conclusions: The waist-hip ratio, moderate fatty liver, and severe fatty liver are risk factors for asymptomatic colon diverticulosis. Central obesity, which can be estimated by the waist-hip ratio, and fatty liver might affect the pathogenesis of asymptomatic colon diverticulosis.
Keywords: Diverticulum; Waist-hip ratio; Fatty liver

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