Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 21, 2012; 18(3): 279-284
Published online Jan 21, 2012. doi: 10.3748/wjg.v18.i3.279
Table 3 Estimate of required sample size based on the pooling estimate from 2000
Δαβμαμβp1p2|p1-p2|GroupStudy
0.100.050.101.96001.28160.15000.15070.0007272544
0.050.050.051.96001.96000.15000.15070.000716153230