BPG is committed to discovery and dissemination of knowledge
Retrospective Study
©The Author(s) 2026.
World J Gastrointest Oncol. Feb 15, 2026; 18(2): 115199
Published online Feb 15, 2026. doi: 10.4251/wjgo.v18.i2.115199
Table 2 Comparison of perioperative outcomes between the two groups
Variable
Endoscopic (n = 45)
Laparoscopic (n = 45)
Test statistic
P value
Overall comparison
    Operation time (minute)80 (65-100)95 (80-120)Z = -3.1120.002
    Intraoperative blood loss (mL)25 (15-35)55 (40-90)Z = -5.421< 0.001
    R0 resection rate43 (95.6)44 (97.8)Fisher0.617
    Intraoperative tumor rupture1 (2.2)2 (4.4)Fisher1.000
    Postoperative hospital stays (days)5 (4-7)7 (6-9)Z = -4.225< 0.001
    Postoperative complications (Clavien-Dindo ≥ II)5 (11.1)10 (22.2)χ2 = 2.0510.152
Subgroup analysis by location
    Favorable sitesn = 23n = 23
        Operation time (minute)75 (60-90)85 (70-100)Z = -2.3150.021
        Intraoperative blood loss (mL)20 (10-30)50 (35-70)Z = -4.521< 0.001
    Unfavorable sitesn = 22n = 22
        Operation time (minute)90 (75-110)110 (95-135)Z = -2.9870.003
        Intraoperative blood loss (mL)30 (20-45)65 (50-105)Z = -4.678< 0.001
Subgroup analysis by growth pattern
    Intraluminaln = 25n = 23
        Operation time (minute)70 (55-85)90 (75-105)Z = -3.2240.001
    Exophyticn = 20n = 22
        Operation time (minute)95 (80-115)100 (85-125)Z = -0.9120.362


Write to the Help Desk