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Table 3 Internal validation and comparison of indices in predicting 1-year mortality in a matched cohort

From: Developing a comorbidity index for comparing cancer outcomes in Aboriginal and non-Aboriginal Australians

 

All-cause mortality

Cancer specific mortality

Models

c-index

AIC

c-index

AIC

BLa

0.678

428

0.689

376

BL + PCSCI

0.727

411

0.733

360

BL+ CCI

0.716

413

0.724

362

BL + WECI

0.719

416

0.724

368

BL + C3

0.720

420

0.731

366

  1. Abbreviations: BL baseline, CCI Charlson comorbidity index, WECI weighted Elixhauser comorbidity index, C3 cancer care and comorbidity index, PCSCI Population cancer specific comorbidity index
  2. aBaseline model adjusted for age, stage, stratified by (sex, year of birth, year of diagnosis and primary site)
  3. bBold entries represent best models
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BMC Health Services Research

ISSN: 1472-6963

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