Table 1

Anthropomorphic and surgical characteristics

FactorESPB
(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.