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Prospective Study
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. Sep 27, 2026; 18(9): 122076
Published online Sep 27, 2026. doi: 10.4240/wjgs.122076
Table 5 Comparison of numerical pain rating scale pain scores among patients in groups A, B, C, and D, mean ± SD
NRS pain score
Group A (n = 55)
Group B (n = 54)
Group C (n = 53)
Group D (n = 55)
F value
P value
Preoperative (score)6.09 ± 1.366.44 ± 1.336.19 ± 1.276.04 ± 1.510.9420.421
Day 1 postoperatively (score)3.89 ± 1.294.48 ± 1.1814.66 ± 1.1914.78 ± 1.5215.0290.002
Day 3 postoperatively (score)1.80 ± 0.592.11 ± 0.6612.15 ± 0.6912.18 ± 0.7013.8990.010


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