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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. May 27, 2026; 18(5): 116545
Published online May 27, 2026. doi: 10.4240/wjgs.v18.i5.116545
Table 4 Postoperative complications, n (%)
Complication type
Observation group (n = 60)
Control group (n = 60)
χ2/Fisher’s1
P value
PTCD-related
Bile leakage2 (6.7)6 (20.0)χ2 = 4.040.045
Catheter dislodgement1 (3.3)3 (10.0)Fisher’s0.301
Infectious
Drainage site infection2 (6.7)5 (16.7)Fisher’s0.214
Systemic infection/sepsis1 (3.3)4 (13.3)Fisher’s0.152
Total infections3 (10.0)9 (30.0)χ2 = 4.320.037
Nutrition tube-related
Tube blockage1 (3.3)5 (16.7)Fisher’s0.035
Tube displacement0 (0.0)2 (6.7)Fisher’s0.150
Aspiration pneumonia0 (0.0)1 (3.3)Fisher’s0.313
Other complications
Wound infection1 (3.3)4 (13.3)Fisher’s0.152
GI bleeding0 (0.0)2 (6.7)Fisher’s0.150
Electrolyte imbalance2 (6.7)6 (20.0)χ2 = 4.040.045
Recurrent jaundice1 (3.3)4 (13.3)Fisher’s0.152
Overall
Total patients with ≥ 1 event6 (20.0)15 (50.0)χ2 = 5.930.015


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