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Table 7 Predictive value of four surgical risk scoring systems of postoperative morbidity and in-hospital mortality

From: Evaluation of the POSSUM, P-POSSUM and E-PASS scores in the surgical treatment of hilar cholangiocarcinoma

  O/E ratio P* AUC** (95% CI)
Morbidity    
POSSUM 1.00 (52/52) 0.488 0.843 (0.768-0.919)
Mortality    
POSSUM 1.11 (10/9) 0.520 0.863 (0.766-0.961)
P-POSSUM 1.00 (10/10) 0.721 0.848 (0.740-0.956)
E-PASS 1.00 (10/10) 0.671 0.842 (0.735-0.949)
  1. *: goodness-of-fit analysis.
  2. **: receiver operating characteristic curve.
  3. POSSUM: Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity; P-POSSUM: Portsmouth modification of POSSUM; E-PASS: Estimation of physiologic ability and surgical stress.