Research Article

Lumbar Erector Spinae Plane Block for Total Hip Arthroplasty Comparing 24-Hour Opioid Requirements: A Randomized Controlled Study

Table 1

Baseline characteristics of study participants.

ESPB group (n = 32)Control group (n = 31) value

Age62 [50, 74]60 [49, 71]0.820

Sex0.859
 Male11 (17.5%)10 (15.9%)
 Female21 (33.3%)21 (33.3%)

BMI33.9 [27.9, 40.0]33.2 [24.1, 42.3]0.271

Preoperative marijuana use3 (4.8%)2 (3.2%)0.548
Medical history
 Diabetes mellitus11 (17.5%)5 (7.9%)0.096
 Osteoporosis2 (3.2%)4 (6.3%)0.368
 Sciatica20 (58.8%)26 (65.0%)0.680
 Herniated disc2 (3.2%)1 (1.6%)0.573
Case time (minutes)115 [82, 148]118 [88, 148]0.441
Length of stay (days)2 [1, 3]3 [1, 5]0.389

Categorical variables are reported as frequencies (proportions); continuous variables, as median [interquartile range]. ESPB, erector spinae plane block; BMI, body mass index.