Brief Article
Copyright ©2010 Baishideng.
World J Gastroenterol. Jul 28, 2010; 16(28): 3578-3583
Published online Jul 28, 2010. doi: 10.3748/wjg.v16.i28.3578
Table 1 The characteristics of cases and controls n (%)
CharacteristicsCasesControlsP value
Overall304 304
Gender (male)228 (75)228 (75)1.000
Age1 (yr)59 (51-66)58 (50-66)0.865
Hypertension54 (17.76)59 (19.41)0.602
Diabetes17 (5.59)27 (8.88)0.118
Smoking73 (24.01)58 (19.08)0.111
Residence
Rural158 (51.97)165 (54.46)0.540
Urban146 (48.03)138 (45.54)