Fig. 5From: Does transanal drainage tubes placement have an impact on the incidence of anastomotic leakage after rectal cancer surgery? a systematic review and meta-analysisSensitivity analyses were performed to investigate potential sources of heterogeneity and showed the main result was robustness. The overall results ranged from 0.69(95%CI = 0.56–0.78) to 1.21(95%CI = 1.08–1.42)Back to article page