From: Comparative study between intraoperative and postoperative analgesic effect of ultrasound-guided thoracic paravertebral block versus pectoral nerve block in patients undergoing modified radical mastectomy: a randomized controlled trial
Group A
Group B
P value •
No. = 15
Age (years)
Mean ± SD
47.07 ± 9.55
44.07 ± 7.91
0.357
BMI
30.4 ± 4.05
28.93 ± 4.22
0.340
Duration of operation
in minute
126.67 ± 24.69
123 ± 26.04
0.695