Pain intensity (VAS) along follow-up period (0-, 2-, 4-, and 8-week)

Drug Time (wk) Delta-method z P value 95% confidence interval
Margin Standard error
Dexamethasone 0 7.53 0.12 61.43 < 0.001 7.29 7.77
2 6.35 0.12 51.81 < 0.001 6.11 6.59
4 5.97 0.12 48.72 < 0.001 5.73 6.21
8 5.97 0.12 48.67 < 0.001 5.73 6.21
Betamethasone 0 7.23 0.12 60.78 < 0.001 7.00 7.46
2 6.05 0.12 50.85 < 0.001 5.81 6.28
4 5.67 0.12 47.67 < 0.001 5.44 5.90
8 5.66 0.12 47.62 < 0.001 5.43 5.90

VAS: visual analog scale.

Korean J Pain 2022;35:336~344 https://doi.org/10.3344/kjp.2022.35.3.336
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