Observational Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Feb 28, 2019; 25(8): 1012-1023
Published online Feb 28, 2019. doi: 10.3748/wjg.v25.i8.1012
Table 1 General characteristics of subjects included in this study
CasesControlsP value
n898992
Gender
Male649 (72.3)714 (72.0)0.886
Female249 (27.7)278 (28.0)
Age (yr)61.1 ± 11.459.2 ± 10.0< 0.001
≤ 65582 (64.8)703 (70.9)0.005
> 65316 (35.2)289 (29.1)
Helicobacter pylori
Negative290 (32.5)505 (50.9)< 0.001
Positive603 (67.5)487 (49.1)