Ultrasound-Guided Transmuscular Quadratus Lumborum Block Reduces Postoperative Pain Intensity in Patients Undergoing Total Hip Arthroplasty: A Randomized, Double-Blind, Placebo-Controlled Trial

Table 1

Demographic data and duration of surgery.

Patient characteristics	Group Con	Group QLB	value
Female/male	31/11	28/13	0.579
Age, y	67 (8)	66 (7)	0.382
Weight, kg	57 (7.5)	57 (8.2)	0.898
Height, cm	161 (6.6)	163 (6.4)	0.094
ASA, I/II/III (n)	3/29/10	5/28/8	0.451
Operation time, minutes	100 (7)	98 (8)	0.269