Secondary outcomes | Overall effect | Heterogeneity test | Figure | Reference | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MD | 95%CI | P | Tau2 | I2 (%) | P | Statistical method | Studies (N) | Sample size (N) | |||
WOMAC stiffness at 4 weeks | − 5.10 | − 8.55, − 1.64 | 0.004 | 8.23 | 64 | 0.03 | Random inverse variance | 3 | 186 | Fig S7 | |
WOMAC stiffness at 8 weeks | − 8.02 | − 11.75, − 4.29 | <0.0001 | 7.64 | 60 | 0.06 | Random inverse variance | 2 | 127 | Fig S8 | |
WOMAC stiffness at 12 weeks | − 10.97 | − 19.30, − 2.63 | 0.010 | 82.6 | 99 | <0.00001 | Random inverse variance | 3 | 262 | Fig S9 |