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Retrospective Study
Copyright: ©Author(s) 2026.
World J Gastrointest Oncol. Jul 15, 2026; 18(7): 120469
Published online Jul 15, 2026. doi: 10.4251/wjgo.120469
Table 5 Multivariable Cox regression analysis of recurrence-free survival, cancer-specific survival and overall survival in perihilar cholangiocarcinoma
VariablesRecurrence-free survival
Cancer-specific survival
Overall survival
HR (95%CI)
P value
HR (95%CI)
P value
HR (95%CI)
P value
Hemoglobin, g/L (≤ 12 = 1)0.274 (0.146-0.516)< 0.0010.347 (0.180-0.668)0.0020.385 (0.226-0.654)< 0.001
Intraoperative FFP (no = 1)2.868 (1.501-5.480)0.0014.340 (2.094-8.994)< 0.0013.072 (1.762-3.354)< 0.001
MVI (no = 1)48.237 (8.791-264.662)< 0.00150.516 (8.685-293.835)< 0.00119.083 (3.880-93.844)< 0.001
Tumor grading (G1/G2 = 1)3.740 (1.711-8.177)< 0.0014.637 (2.109-10.193)< 0.0013.699 (1.879-7.284)< 0.001
pT category (pT1-2 = 1)2.573 (1.358-4.877)0.0042.227 (1.309-3.789)0.003
N category (pN0 = 1)2.704 (1.476-4.954)0.0012.524 (1.374-4.634)0.0031.779 (1.055-2.998)0.031
Perioperative complications (Clavien-Dindo) (0/I/II = 1)2.115 (1.279-3.497)0.004


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