Comparison 6. Basic wound contact dressings compared with hydrocolloid dressings.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Proportion of wounds with SSI	5		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
1.1 Clean	2	566	Risk Ratio (M‐H, Fixed, 95% CI)	0.91 [0.30, 2.78]
1.2 Potentially contaminated surgery	3	268	Risk Ratio (M‐H, Fixed, 95% CI)	0.57 [0.22, 1.51]
2 No pain on removal	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only