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

Table 3

Postoperative morphine consumption.

	Group QLB (n = 41)	Group Con (n = 42)	value
Morphine consumption (mg)
0–24 h after surgery	16.0 (7.1)	34.1 (7.1)	<0.001
24–48 h after surgery	13.0 (4.0)	17.4 (4.6)	<0.001

Values are shown as mean (SD); Group QLB = quadratus lumbar block; Group Con = control group.