Rapid Communication
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Nov 14, 2008; 14(42): 6506-6512
Published online Nov 14, 2008. doi: 10.3748/wjg.14.6506
Table 1 Mean age and proportion of female patients in all patient groups
Patient groupAge (yr, mean ± SD)Female gender (%)
Study protocol group59 ± 1056
External PPI group63 ± 863
Control group62 ± 973