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
Age
62 [50, 74]
60 [49, 71]
0.820
Sex
0.859
Male
11 (17.5%)
10 (15.9%)
Female
21 (33.3%)
21 (33.3%)
BMI
33.9 [27.9, 40.0]
33.2 [24.1, 42.3]
0.271
Preoperative marijuana use
3 (4.8%)
2 (3.2%)
0.548
Medical history
Diabetes mellitus
11 (17.5%)
5 (7.9%)
0.096
Osteoporosis
2 (3.2%)
4 (6.3%)
0.368
Sciatica
20 (58.8%)
26 (65.0%)
0.680
Herniated disc
2 (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.