From: Onset and recovery of ultrasound guided out-of-plane versus in-plane interscalene block in arthroscopic shoulder surgery
Variable
Group I N = 30
Group O N = 30
P value
Age (years)
50.97 ± 13.415
48.37 ± 14.197
0.469
Sex (M/F)
10/20
11/19
0.787
Weight (kg)
73.67 ± 0.661
74.90 ± 3.507
0.063
ASA (I/II)
17/13
16/14
0.795