Comparison 22. Silver dressing versus non‐antimicrobial dressing.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Complete healing at 4 to 12 weeks	4	424	Risk Ratio (M‐H, Fixed, 95% CI)	1.17 [0.95, 1.45]
2 Complete healing at 6 months	1	213	Risk Ratio (M‐H, Fixed, 95% CI)	1.10 [0.96, 1.28]
3 Complete healing at 12 months	1	213	Risk Ratio (M‐H, Fixed, 95% CI)	1.05 [0.94, 1.16]
4 Ulcer recurrence within first year	1	185	Risk Ratio (M‐H, Fixed, 95% CI)	0.80 [0.38, 1.70]
5 Change in ulcer surface area (cm squared) at 4 weeks	2	170	Mean Difference (IV, Fixed, 95% CI)	‐4.70 [‐8.46, ‐0.94]
6 Change in ulcer surface area (%) at 4 weeks	2		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
7 Healing rate (cm squared per day)	2	170	Mean Difference (IV, Fixed, 95% CI)	‐0.12 [‐0.28, 0.03]
8 Proportion of participants reporting any type of adverse event	4	706	Risk Ratio (M‐H, Random, 95% CI)	0.69 [0.36, 1.33]