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Retrospective Study
©The Author(s) 2025.
World J Gastrointest Surg. Dec 27, 2025; 17(12): 112780
Published online Dec 27, 2025. doi: 10.4240/wjgs.v17.i12.112780
Table 1 Comparison of general characteristics between the two groups, n (%)/mean ± SD
Characteristic
Experimental group (n = 40)
Control group (n = 40)
Statistic
P value
Age (years)61.5 ± 8.762.3 ± 9.1t = 0.4120.682
Genderχ2 = 0.2050.651
Male22 (55.0)24 (60.0)
Female18 (45.0)16 (40.0)
BMI (kg/m2)23.4 ± 2.623.8 ± 2.8t = 0.6780.500
Tumor locationχ2 = 0.2010.654
Colon17 (42.5)19 (47.5)
Rectum23 (57.5)21 (52.5)
Tumor diameter (cm)3.8 ± 1.44.1 ± 1.6t = 0.9280.356
TNM stageχ2 = 0.2780.870
Stage I12 (30.0)10 (25.0)
Stage II16 (40.0)18 (45.0)
Stage III12 (30.0)12 (30.0)
Surgical approachχ2 = 0.0530.818
Open15 (37.5)16 (40.0)
Laparoscopic25 (62.5)24 (60.0)
Operation time (minutes)168.4 ± 32.7172.6 ± 35.2t = 0.5770.566
Intraoperative blood loss (mL)145.7 ± 52.3152.1 ± 56.8t = 0.5370.593
Intraoperative blood transfusion4 (10.0)5 (12.5)χ2 = 0.1250.723
Anesthesia methodχ2 = 0.4170.519
General anesthesia35 (87.5)33 (82.5)
Combined anesthesia5 (12.5)7 (17.5)
ASA classificationχ2 = 0.2230.894
Class I8 (20.0)9 (22.5)
Class II24 (60.0)22 (55.0)
Class III8 (20.0)9 (22.5)
Comorbidities16 (40.0)17 (42.5)χ2 = 0.0530.819


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