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Table 3 Comparison of the predictive accuracies of prognostic factorsá…Ÿ

From: Low level of isocitrate dehydrogenase 1 predicts unfavorable postoperative outcomes in patients with clear cell renal cell carcinoma

Model

Overall Survival (N = 285)

Recurrence free survival (N = 285)

C-Index

AIC

C-Index

AIC

IDH1

0.566

798.932

0.579

833.571

TNM stage

0.694

746.2725

0.724

779.0914

TNM stage+IDH1

0.722

738.6321

0.749

769.0795

T stage

0.686

750.3168

  

T stage+IDH1

0.716

738.1326

  

N stage

0.563

777.9406

0.55

819.1828

N stage+IDH1

0.62

772.8811

0.615

813.6082

Fuhrman grade

0.663

781.1461

0.656

818.4013

Fuhrman grade + IDH1

0.678

777.1598

0.68

813.3012

Tumor size

0.683

766.2329

0.703

793.0312

Tumor size+IDH1

0.712

759.9979

0.738

785.7259

Nomogram

0.779

716.8505

0.798

749.2201

SSIGN

0.748

732.8423

0.77

764.8564

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BMC Cancer

ISSN: 1471-2407

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