Annals of Hepato-Biliary-Pancreatic Surgery

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Table. 5.

Table. 5.

Cox proportional hazards analysis of prognostic factors for overall survival (matched population)

Variable Univariate analysis Multivariable analysis


Hazard ratio (95% CI) p-value Hazard ratio (95% CI) p-value
Age (> 50 vs ≤ 50 yr) 1.05 (0.48–2.27) 0.896
Sex (male vs. female) 2.02 (0.89–4.53) 0.102
ASA grade 2, 3 vs. 0, 1 1.68 (0.76–3.72) 0.205 4.14 (1.61–10.66) 0.003
T stage (3, 4 vs. 1, 2) 2.79 (1.24–6.28) 0.010 3.17 (1.16–8.62) 0.023
Node (positive vs. negative) 10.89 (3.64–32.55) 0.000 17.71 (4.97–63.08) 0.000
Grade (poor vs. WD, MD) 0.96 (0.28–3.20) 0.948
Resection (4b&5 vs. wedge) 0.57 (0.25–1.27) 0.165
Adjuvant therapy (yes vs. no) 1.13 (0.49–2.60) 0.770
Postop complication (yes vs. no) 1.41 (0.63–3.11) 0.400

CI, confidence interval; ASA, American Society of Anaesthesiologists; poor, poorly differentiated; WD, well differentiated; MD, moderately differentiated.

Ann Hepatobiliary Pancreat Surg 2021;25:485-91 https://doi.org/10.14701/ahbps.2021.25.4.485
© 2021 Ann Hepatobiliary Pancreat Surg