Table 3 The bootstrap-corrected C-index of prognostic factors and nomogram for predicting OS.

From: Establishment and validation of a nomogram to predict overall survival for patients with primary renal neuroendocrine tumor

 

C-index (95% CI)

P-value#

Nomogram

0.820 (0.805–0.835)

TNM stage

0.571 (0.550–0.592)

< 0.001*

Age

0.735 (0.717–0.753)

< 0.001*

Grade

0.541 (0.521–0.561)

< 0.001*

Surgery

0.701 (0.685–0.716)

< 0.001*

Histology

0.685 (0.670–0.700)

< 0.001*

Summary stage

0.673 (0.653–0.692)

< 0.001*

  1. Abbreviations: OS, overall survival; C-index, concordance index.
  2. #Nomogram vs. Other prognostic factors.
  3. *Statistically significant.