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Retrospective Study
©Author(s) (or their employer(s)) 2026.
World J Gastrointest Surg. Feb 27, 2026; 18(2): 113103
Published online Feb 27, 2026. doi: 10.4240/wjgs.v18.i2.113103
Table 1 Patient baseline information, n (%)/mean ± SD
General data
Two-port group (n = 80)
Four-port group (n = 70)
χ2/Z/t
P value
Sex0.0580.809
Male45 (56.25)38 (54.29)
Female35 (43.75)32 (45.71)
Age (years)57.20 ± 7.3059.29 ± 9.211.5490.124
Body mass index (kg/m2)22.00 (20.00, 24.00)22.00 (20.00, 25.00)-0.1950.845
Tumor, node, metastasis stage1.3060.520
I24 (30.00)17 (24.29)
II22 (27.50)25 (35.71)
III34 (42.50)28 (40.00)
Lesion location0.0760.782
Colon cancer52 (65.00)47 (67.14)
Rectal cancer28 (35.00)23 (32.86)
Tumor diameter (cm)4.09 ± 1.243.83 ± 1.391.2110.228
Table 2 Comparative operative measures, mean ± SD
Operative measures
Two-port group (n = 80)
Four-port group (n = 70)
t value
P value
Surgical duration (minutes)99.69 ± 13.85103.07 ± 17.511.3190.189
Intraoperative hemorrhage volume (mL)28.27 ± 8.5330.63 ± 10.851.4890.139
Cumulative incision length (cm)5.58 ± 0.808.96 ± 1.2020.520< 0.001
Table 3 Postoperative recovery comparison, mean ± SD
Postoperative recovery indexes
Two-port group (n = 80)
Four-port group (n = 70)
t value
P value
Time to first flatus (hours)46.64 ± 7.9865.54 ± 10.6712.376< 0.001
Ambulation initiation (hours)29.52 ± 7.9735.11 ± 10.053.795< 0.001
Hospital stays duration (days)8.46 ± 1.7610.66 ± 2.396.470< 0.001
Table 4 Complications across study groups, n (%)
Complications
Two-port group (n = 80)
Four-port group (n = 70)
χ2
P value
Ileus0 (0.00)1 (1.43)
Anastomotic fistula2 (2.50)2 (2.86)
Surgical site infection1 (1.25)3 (4.29)
Postoperative bleeding0 (0.00)2 (2.86)
Uroschesis2 (2.50)5 (7.14)
Intraperitoneal abscess3 (3.75)4 (5.71)
Total8 (10.00)17 (24.29)5.4860.019