Secondary outcomes | Overall effect | Heterogeneity test | Figure | Reference | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MD | 95%CI | P | Tau2 | I2 (%) | P | Statistical method | Studies (N) | Sample size (N) | |||
WOMAC pain at 4 weeks | − 7.18 | − 10.56, − 3.80 | <0.0001 | 9.23 | 81 | 0.0003 | Random inverse variance | 3 | 186 | Fig S10 | |
WOMAC pain at 8 weeks | − 8.95 | −13.56, − 4.35 | 0.0001 | 14.91 | 84 | 0.0004 | Random inverse variance | 2 | 127 | Fig S11 | |
WOMAC pain at 12 weeks | − 12.79 | −18.41, − 7.43 | <0.00001 | 22.56 | 94 | <0.00001 | Random inverse variance | 3 | 262 | Fig S12 |