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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Gastrointest Oncol. Sep 15, 2026; 18(9): 117864
Published online Sep 15, 2026. doi: 10.4251/wjgo.117864
Table 5 Comparison of preoperative and postoperative pain scores between two groups (points), mean ± SD
Group
n
Preoperative day 1
Postoperative day 1
Postoperative day 2
Discharge day
Study group800.35 ± 0.202.05 ± 0.851.10 ± 0.550.85 ± 0.40
Control group 800.38 ± 0.183.10 ± 1.002.05 ± 0.851.41 ± 0.62
t0.9977.1568.3936.789
P value0.320< 0.001< 0.001< 0.001


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