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Table 4 C-statistics (95% CI) for predicting in-hospital mortality of the compared risk adjustment methodsa in the overall cirrhosis patients (N = 11,121)

From: Comparison of risk adjustment methods in patients with liver disease using electronic medical record data

Model

Mean c-statistic (95% CI)b

Bias-corrected c-statisticc

CCI

0.809 (0.792–0.822)

0.816

CCI categorized

0.786 (0.771–0.801)

0.784

CCI score

0.785 (0.769–0.799)

0.787

CCI score categorized

0.786 (0.770–0.801)

0.783

ECI

0.825 (0.749–0.848)

0.827

ECI categorized

0.794 (0.743–0.841)

0.773

MELDNa score

0.849 (0.838–0.861)

0.849

5vMELD score

0.845 (0.833–0.858)

0.847

MELD score

0.818 (0.805–0.833)

0.817

CTP

0.851 (0.839–0.864)

0.847

CTP score

0.793 (0.736–0.844)

0.803

MELDNa score + ECI

0.882 (0.826–0.898)

0.882

CTP + ECI

0.887 (0.846–0.901)

0.885

  1. CI confidence interval, CCI Charlson comorbidity index, ECI Elixhauser comorbidity index, CTP Child-Turcotte-Pugh, MELD model for end-stage liver disease, MELDNa MELD sodium, 5vMELD five variable MELD
  2. aAge, sex and admission status were included in all regression models
  3. b1000 samples bootstrapping mean c-statistic and 95% CI
  4. c10-fold cross validation corrected c-statistic
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BMC Gastroenterology

ISSN: 1471-230X

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