Comparison 2. Double bag systems versus standard systems.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Number of patients with peritonitis	2	170	Risk Ratio (M‐H, Random, 95% CI)	0.43 [0.29, 0.62]
2 Peritonitis rate	2	2110	Risk Ratio (M‐H, Random, 95% CI)	0.31 [0.20, 0.47]
3 Number of patients switched to HD	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
4 Number of patients with exit site infection	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
5 All‐cause mortality	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected