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Randomized Controlled Trial
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. Mar 27, 2026; 18(3): 116214
Published online Mar 27, 2026. doi: 10.4240/wjgs.v18.i3.116214
Table 2 Comparison of anal pain levels between the two groups (mean ± SD)
GroupsPatientsVisual analog scale score
Preoperative
Postoperative day 3
Postoperative day 7
Postoperative day 14
Observation group505.98 ± 1.224.30 ± 0.46a3.42 ± 0.50a,b2.26 ± 0.44a,b,c
Control group505.92 ± 1.264.90 ± 0.42a3.92 ± 0.27a,b2.78 ± 0.42a,b,c
T value 0.2426.8136.2146.033
P value0.809< 0.001< 0.001< 0.001


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