Baseline demographic and clinical characteristics of participants

Characteristic Dexamethasone (n = 300) Betamethasone (n = 300) P value
Sex (M:F) 139:161 128:172 0.366
Mean age (yr) 56.8 ± 14.2 (range, 20–89) 56.8 ± 13.8 (range, 19–89) 0.510
Hypertension 66 77 0.292
Diabetes mellitus 32 30 0.789
History of spine surgery 30 21 0.114
Mean number of previous epidural steroid injection within current 6 months 0.2 ± 0.5 (range, 0–3) 0.2 ± 0.6 (range, 0–6) 0.860
Pain site (lumbar:cervical area) 210:90 203:97 0.537
Injection methods (interlaminar:transforaminal:caudal approach) 112:110:78 119:111:70 0.723

Values are presented as number only or mean ± standard deviation.

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