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Association between obesity and the risk of gastric cancer in premenopausal and postmenopausal women: A nationwide cohort study

Authors
 In Young Choi   ;   Yoon Jin Choi   ;   Dong Wook Shin   ;   Kyung Do Han   ;   Keun Hye Jeon   ;   Su-Min Jeong   ;   Jung Eun Yoo  
Citation
 JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, Vol.36(10) : 2834-2840, 2021-10 
Journal Title
JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
ISSN
 0815-9319 
Issue Date
2021-10
MeSH
Body Mass Index ; Cohort Studies ; Female ; Humans ; Obesity / complications ; Obesity / epidemiology ; Postmenopause* ; Risk Factors ; Stomach Neoplasms* / epidemiology ; Stomach Neoplasms* / etiology ; Waist Circumference
Keywords
Body mass index ; Gastric cancer ; Menopause ; Obesity ; Waist circumference
Abstract
Background and aim: Obesity was suggested to increase the incidence of gastric cancer (GC) in women, but results from previous studies were inconsistent. We investigated the relationship between obesity and the risk of GC according to menopausal status.

Methods: We enrolled 1 418 180 premenopausal and 4 854 187 postmenopausal women aged ≥ 40 years using the Korean National Health Insurance System Cohort (2009-2014). We calculated hazard ratios (HRs) and 95% confidence intervals (CIs) for GC incidence according to body mass index (BMI) and waist circumference (WC) using the Cox proportional hazards models.

Results: During the mean follow-up period of 7.2 years, 42 441 women were newly diagnosed with GC. Compared with the group with BMI 18.5-22.9 kg/m2 , the adjusted HRs (95% CIs) for GC in the groups with BMI < 18.5, 23-24.9, 25-29.9, and ≥ 30 kg/m2 were 1.12 (0.95-1.33), 0.96 (0.89-1.04), 1.02 (0.94-1.11), and 0.99 (0.83-1.18), respectively, for premenopausal women and 1.07 (1.00-1.14), 1.01 (0.99-1.04), 1.03 (1.00-1.05), and 1.11 (1.10-1.16), respectively, for postmenopausal women. Compared with the group with WC 65-74.9 cm, the adjusted HRs (95% CIs) for GC for the groups with WC < 65, 75-84.9, 85-94.9, and ≥ 90 cm were 1.00 (0.88-1.15), 1.03 (0.96-1.11), 1.10 (0.99-1.22), and 1.02 (0.81-1.27), respectively, for premenopausal women and 1.01 (0.94-1.09), 1.01 (0.99-1.04), 1.09 (1.06-1.13), and 1.14 (1.09-1.19), respectively, for postmenopausal women.

Conclusions: We found a positive association between the highest BMI and WC category and risk of GC in postmenopausal women; however, such an association was not evident in premenopausal women.
Full Text
https://onlinelibrary.wiley.com/doi/10.1111/jgh.15558
DOI
10.1111/jgh.15558
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Choi, Yoon Jin(최윤진)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/187400
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