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. 2014 Sep;29(9):1247-52.
doi: 10.3346/jkms.2014.29.9.1247. Epub 2014 Sep 2.

Shifting prevalence of gallbladder polyps in Korea

Yoo Jin Lee  1 , Kyung Sik Park  1 , Kwang Bum Cho  1 , Eun Soo Kim  1 , Byoung Kuk Jang  1 , Woo Jin Chung  1 , Jae Seok Hwang  1
Affiliations

Shifting prevalence of gallbladder polyps in Korea

Yoo Jin Lee et al. J Korean Med Sci. 2014 Sep.

Abstract

Only a few studies have evaluated the population-adjusted prevalence of gallbladder polyps (GBP). This study aimed to evaluate the changes in GBP prevalence and risk factors at a single health screening center in Korea from 2002 to 2012. Of 48,591 adults who underwent health screening between 2002 and 2012, 14,250 age- and gender-matched subjects were randomly selected to evaluate prevalence. Risk factors were analyzed between the GBP-positive and GBP-negative groups during 2002-2004 (Period A) and 2010-2012 (Period B). The annual prevalence of GBP over the 11-yr period was 5.4%. Annual prevalence increased from 3.8% in Period A to 7.1% in Period B. Male gender and obesity were independent risk factors for GBP in both periods. Hepatitis B virus surface antigen (HBsAg) positivity was a risk factor for GBP in Period A but not in Period B. The risk factors for GBP changed from HBsAg positivity to lipid profile abnormalities. Other variables including age, hypertension, diabetes, impaired fasting glucose, chronic hepatitis C virus infection, and liver function tests did not correlate with GBP. In conclusion, GBP prevalence is increasing and risk factors for GBP have changed in Korea. More attention should be paid to this issue in the future.

Keywords: Gallbladder Polyps; Korea; Prevalence; Risk Factors.

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Conflict of interest statement

The authors have no conflicts of interest to disclose.

Figures

Fig. 1
Fig. 1
Prevalence of gallbladder polyp according to the year. Mean annual prevalence increased from period A (3.8%) to B (7.1%).
Fig. 2
Fig. 2
Prevalence of gallbladder polyp according to gender and age. (A) Prevalence rate in period A (2002-2004). (B) Prevalence rate in period B (2010-2012).
See this image and copyright information in PMC

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