Comparison 6. Povidone‐iodine (in aqueous solution) versus alcohol.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Catheter‐related BSI	1	109	Risk Ratio (M‐H, Fixed, 95% CI)	1.04 [0.21, 5.08]
2 Catheter colonisation	2	169	Risk Ratio (M‐H, Fixed, 95% CI)	1.76 [0.76, 4.09]
2.1 Povidone‐iodine in aqueous solution versus alcohol	1	109	Risk Ratio (M‐H, Fixed, 95% CI)	1.25 [0.49, 3.14]
2.2 Povidone‐iodine‐impregnated adherent film versus alcohol	1	60	Risk Ratio (M‐H, Fixed, 95% CI)	9.0 [0.51, 160.17]