Table 2.

The result of the meta-analyses of the association between postoperative complications with catheter placement techniques.

Postoperative complications	No. of studies	n	Or	95% CI	P value	Heterogeneity I2P		Egger's test	Rank-correlation test
Infectious compilation
Peritonitis	7	996	0.93	0.54–1.60	0.79	63%	0.02a	0.879	0.851
Tunnel and Exit site infection	7	1057	0.85	0.62–1.17	0.33	0%	0.88	0.067	0.652
Mechanical complication
Leakage	9	1585	1.04	0.58–1.86	0.91	57%	0.02a	0.632	0.677
Inflow-outflow obstruction and catheter malfunction	8	1486	0.73	0.50–1.08	0.11	30%	0.19	0.589	0.805
Bleeding	4	565	0.76	0.31–1.87	0.55	35%	0.20	0.737	1.000
Hernia	4	710	0.75	0.41–1.39	0.11	0%	0.71	0.863	0.497

OR = Odds ratio, Cl = confidence interval.

^aStatistical significant.