Case Control Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Sep 14, 2019; 25(34): 5152-5161
Published online Sep 14, 2019. doi: 10.3748/wjg.v25.i34.5152
Table 1 Demographic characteristics of the participants
Case
Control
X2P-value
n = 956n = 1012
Age (yr)
≤60569 (59.5)637 (62.9)2.2890.130
>60387 (40.5)375 (37.1)
Gender
Male667 (69.8)724 (71.5)0.6620.416
Female289 (30.2)288 (28.5)
H. pylori infection
Positive675 (70.6)542 (53.6)59.835<0.001
Negative281 (29.4)470 (46.4)
Drinking
No758 (79.3)497 (49.1)2.7870.095
Yes198 (20.7)515 (50.9)
Smoking
No560 (58.6)517 (51.1)1.3820.240
Yes396 (41.4)495 (48.9)