Retrospective Cohort Study
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Sep 27, 2024; 16(9): 2815-2822
Published online Sep 27, 2024. doi: 10.4240/wjgs.v16.i9.2815
Table 4 Comparison of postoperative pain scores (visual analogue scale) between the two patient groups
VAS score
Experimental group,
n = 30
Control group,
n = 30
t value
P value
24 h after surgery3.38 ± 0.794.51 ± 0.86-5.30< 0.001
48 h after surgery2.05 ± 0.573.51 ± 0.97-7.13< 0.001