From: Comparative study between ultrasound-guided erector spinae plane block and thoracic paravertebral block for postoperative analgesia after video-assisted thoracic surgery: an equivalence study
TPVB group
(n = 40)
ESPB group
t
p value
1st time for rescue analgesia (min)
480.8 ± 48.1
477.1 ± 49.2
0.35
0.73
Total morphine consumption (mg)
15.2 ± 2.7
14.9 ± 2.4
0.52
0.6