Pain intensity, disability score, and the number of additional ESIs

Time (wk) Dexamethasone (n = 200) Betamethasone (n = 216) Difference
(95% confidence interval)
P value
VAS score 0 7.39 ± 1.38 7.35 ± 1.48 0.04 (–0.19, 0.27) 0.731
2 6.71 ± 1.86 6.36 ± 1.91 0.35 (0.05, 0.65) 0.023*
4 6.44 ± 1.93 6.02 ± 2.10 0.42 (0.10, 0.75) 0.011*
8 6.34 ± 2.07 6.05 ± 2.10 0.29 (–0.05, 0.62) 0.093
Disability score 0 35.36 ± 14.85 32.87 ± 14.74 2.49 (0.11, 4.86) 0.040*
2 33.25 ± 16.14 29.87 ± 15.34 3.37 (0.85, 5.90) 0.009*
4 32.17 ± 16.19 28.16 ± 15.57 4.01 (1.47, 6.56) 0.002*
8 31.83 ± 16.05 28.29 ± 16.08 3.54 (0.97, 6.12) 0.007*
Additional ESIs 12 0.45 ± 0.72 0.38 ± 0.64 0.06 (–0.05, 0.17) 0.308

Values are presented as mean ± standard deviation.

VAS: visual analog scale, ESIs: epidural steroid injections.

*Statistically significant when the P value was less than 0.05.

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