Comparison 2. Secondary outcomes.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Length of hospitalisation	2	79	Mean Difference (IV, Random, 95% CI)	‐0.20 [‐1.12, 0.72]
2 Length of time to return to normal activities	1	100	Mean Difference (IV, Random, 95% CI)	‐3.00 [‐11.35, 5.35]
3 Blood transfusion rates	3	179	Risk Difference (M‐H, Random, 95% CI)	‐0.01 [‐0.05, 0.03]
4 Conversion rates	3	179	Risk Difference (M‐H, Random, 95% CI)	0.05 [‐0.02, 0.12]
5 Warm ischaemia time	2	79	Mean Difference (IV, Random, 95% CI)	1.25 [‐0.45, 2.94]
6 Total analgesic requirement	2	79	Mean Difference (IV, Random, 95% CI)	2.42 [‐38.10, 42.94]
7 Graft loss	2	150	Risk Difference (M‐H, Random, 95% CI)	‐0.01 [‐0.06, 0.04]