Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 21, 2011; 17(47): 5191-5196
Published online Dec 21, 2011. doi: 10.3748/wjg.v17.i47.5191
Table 1 Patient characteristics
SWG (n = 40)SPG (n = 40)P value
Gender (M/F)12/2819/210.11
Mean age, yr (SD)55.8 (18.1)48.5 (18.2)0.07
Smoking (yes/no)15/2523/170.07
Caffeine (yes/no)37/332/80.19
Alcohol (yes/no)12/2814/260.63
Previous EGD (yes/no)17/2323/170.18