Does transanal drainage tubes placement have an impact on the incidence of anastomotic leakage after rectal cancer surgery? a systematic review and meta-analysis

Table 4 TDTs placement and other clinic outcomes after rectal cancer surgery risk

Index	Studies	sample size	Heterogeneity test	analytical model	RR	95%CI	P
anastomotic bleeding	4	876	P = 0.45, I2 = 0%	Fixed Mantel-Haenzel	1.77	0.94 ~ 3.33	0.08
incision infection	3	713	P = 0.67, I2 = 0%	Fixed Mantel-Haenzel	1.24	0.73 ~ 2.09	0.43
anastomotic stenosis	2	561	p = 0.76, I2 = 0%	Fixed Mantel-Haenzel	0.73	0.30 ~ 1.77	0.48

ISSN: 1471-2407