Clinical Study

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

Table 2

Pain scores at 3, 6, 12, 24, 36, and 48 hours after surgery.

Group QLB (n = 41)Group Con (n = 42) value

VAS scores at rest (0–10)
3 h postoperative0.85 ± 0.531.04 ± 0.860.001
6 h1.32 ± 0.722.74 ± 1.04<0.001
12 h2.51 ± 0.953.81 ± 0.77<0.001
24 h2.39 ± 0.833.38 ± 0.96<0.001
36 h1.83 ± 0.592.50 ± 0.71<0.001
48 h1.56 ± 0.502.38 ± 0.73<0.001

VAS scores at mobilization (0–10)
24 h postoperative3.02 ± 1.066.10 ± 1.48<0.001
36 h3.07 ± 0.845.45 ± 1.13<0.001
48 h2.12 ± 0.644.33 ± 0.93<0.001

Values are shown as mean ± SD; Group QLB = quadratus lumbar block; Group Con = control group; VAS = visual analog score.