Rapid Communication
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Sep 28, 2008; 14(36): 5590-5594
Published online Sep 28, 2008. doi: 10.3748/wjg.14.5590
Table 2 Comparison of confounding variables between Group A (RPA) and Group B (RPA with modified blow-hole colostomy)
VariableGroup A (n = 25)Group B (n = 22)Statistical test and significance
Age (yr)66.12 ± 14.1762.27 ± 16.26Unpaired t-test, P = 0.391
Sex: Female ratio4/25 (16%)3/22 (13.6%)Fisher’s exact test, χ2-test, P = 0.574
Hospital stay (d)13.68 ± 8.4716.72 ± 4.90Unpaired t-test, P = 0.145
Wound infection8 (32%)2 (9.1%)χ2-test, P = 0.11
Anastomotic leak3 (12%)-Fisher’s exact test, χ2-test, P = 0.142
Mortality2 (8%)2 (10%)Fisher’s exact test, χ2-test, P = 0.645