Comparison 1. Functional outcome at 3 months.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Knee flexion	3	140	Mean Difference (IV, Random, 95% CI)	3.99 [‐2.23, 10.21]
2 Knee flexion (Infiltration only)	2	110	Mean Difference (IV, Random, 95% CI)	2.76 [‐4.59, 10.11]