Factor | ESPB (n=50) | PVB (n=50) | Standardized difference |
Median age in years (IQR) | 54.5 (48.0–63.8) | 54.5 (44.0–67.8) | 0.104 |
Median height in cm (IQR) | 161 (157–165) | 163 (159–168) | 0.164 |
Median weight in kg (IQR) | 69.1 (60.6–83.1) | 67.7 (61.0–75.0) | 0.277 |
Median body mass index in kg/m2 (IQR) | 27.1 (23.5–31.1) | 25.7 (23.1–28.3) | 0.347 |
Number requiring bilateral surgery (%) | 25 (50) | 25 (50) | 0 |
Median surgical duration in min (IQR) | 71.0 (55.8–98.0) | 69.0 (47.2–111.0) | 0.072 |
Test used: Cohen’s d was used to calculate the standardized difference between treatment groups.
ESPB, erector spinae plane block; PVB, paravertebral block.