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Retrospective Cohort Study
©The Author(s) 2025.
World J Gastrointest Surg. Oct 27, 2025; 17(10): 109729
Published online Oct 27, 2025. doi: 10.4240/wjgs.v17.i10.109729
Table 2 Comparison of surgical indicators between the two groups, mean ± SD
Group
n
Surgical duration (minutes)
Intraoperative blood loss (mL)
Chest drainage volume (mL)
Number of dissected lymph nodes
Observation group66165.48 ± 20.4489.08 ± 10.23256.34 ± 31.618.44 ± 0.75
Control group61194.63 ± 22.78123.62 ± 15.28310.29 ± 35.726.23 ± 0.61
t7.60015.0729.02818.129
P value< 0.001< 0.001< 0.001< 0.001


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