Korean J Gastroenterol.  2019 Sep;74(3):142-148. 10.4166/kjg.2019.74.3.142.

Risk Factors for Asymptomatic Colon Diverticulosis

Affiliations
  • 1Department of Internal Medicine, Anyang SAM Hospital, Anyang, Korea. cpcsh@hanmail.net
  • 2Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
  • 3Department of Radiology, Anyang SAM Hospital3, Anyang, Korea.

Abstract

BACKGROUND/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.

Keyword

Diverticulum; Waist-hip ratio; Fatty liver
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