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Table 3 Comparison of the predictive accuracies of prognostic models

From: Increased expression of colony stimulating factor-1 is a predictor of poor prognosis in patients with clear-cell renal cell carcinoma

Model

CSS

RFS

C-index*

P †

C-index*

P †

All patients

    

CSF-1

0.620

 

0.607

 

UISS

0.708

 

0.638

 

UISS combined with CSF-1

0.742

0.001

0.678

0.004

SSIGN

0.753

 

0.710

 

SSIGN combined with CSF-1

0.764

0.231

0.718

0.393

TNM stage I/II

    

CSF-1

0.581

 

0.578

 

UISS

0.615

 

0.619

 

UISS combined with CSF-1

0.640

0.188

0.642

0.224

SSIGN

0.647

 

0.665

 

SSIGN combined with CSF-1

0.656

0.821

0.669

0.652

TNM stage III/IV

    

CSF-1

0.631

 

0.623

 

UISS

0.633

 

0.524

 

UISS combined with CSF-1

0.721

0.004

0.625

0.079

SSIGN

0.695

 

0.624

 

SSIGN combined with CSF-1

0.754

0.012

0.693

0.060

  1. *A larger C-index represents a better discriminatory power.
  2. †Compared with the original model without CSF-1 expression.
  3. The bold characters indicate that these P values are considered statistically significant.