Rapid Communication
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Mar 7, 2008; 14(9): 1425-1429
Published online Mar 7, 2008. doi: 10.3748/wjg.14.1425
Table 1B Weighted mean differences (WMDs) in the volumes of RBCs transfused intraoperatively
Heterogeneity
WMDZ test
95% CI
QP(units)ZP
A8.870.03-1.231.240.21-3.17 to 0.71
B3.850.15-1.802.230.03-3.38 to -0.22