Table 3 Comparison of postoperative pain VAS scores between the steroid and control group
Postoperative period | Weighted mean of VAS in the steroid group | Weighted mean of VAS in the control group | WMD | [95Â % CI] | P of heterogeneity | I2 | Selected model | Overall P | |
|---|---|---|---|---|---|---|---|---|---|
Night of operation | 2.270 | 2.888 | −0.328 | −0.914 | 0.258 | 0.006 | 80.3 % | Random-effects model | 0.272 |
Day 1 | 3.362 | 3.805 | −0.630 | −1.321 | 0.061 | 0.001 | 87.1 % | Random-effects model | 0.074 |
Day 2 | 2.354 | 2.865 | −0.300 | −0.504 | −0.096 | 0.249 | 28.0 % | Fixed-effects model | 0.004 |
Day 3 | 2.394 | 2.882 | −0.568 | −0.868 | −0.268 | 0.194 | 36.3 % | Fixed-effects model | 0.001 |
Day 7 | 2.264 | 2.693 | −0.310 | −0.496 | −0.125 | 0.520 | 0 % | Fixed-effects model | <0.001 |