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Table 3 Comparison of postoperative pain VAS scores between the steroid and control group

From: Efficacy of steroid addition to multimodal cocktail periarticular injection in total knee arthroplasty: a meta-analysis

Postoperative period Weighted mean of VAS in the steroid group Weighted mean of VAS in the control group WMD [95 % 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