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Randomized Controlled Trial
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. Mar 27, 2026; 18(3): 115497
Published online Mar 27, 2026. doi: 10.4240/wjgs.v18.i3.115497
Table 2 Comparison of postoperative complication rates between the two groups, n (%)
Complication
n
Cholangitis
Incision infection
Pulmonary infection
Portal hypertension-related events
Total complications
Observation6011 (18.3)3 (5.0)3 (5.0)2 (3.3)19 (31.7)
Control6021 (35.0)5 (8.3)10 (16.7)4 (6.7)40 (66.7)
χ2-4.1830.7824.2270.81114.286
P value-0.0410.7160.0400.678< 0.001


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