Skip to main content
. 2020 Nov 19;20:555. doi: 10.1186/s12935-020-01635-8

Table 2.

The C-index of our model, TNM staging and Treatment for prediction of OS in the training cohort and validation cohort

Factors C-index (95% CI) P
For training cohort
 Our model 0.769 (0.721–0.817)
 TNM staging 0.710 (0.661–0.758)
 Treatment 0.694 (0.643–0.746)
 Our model + TNM staging 0.784 (0.739–0.830)
 Our model vs. TNM staging 0.079
 Our model vs. treatment 0.017
 Our model vs. our model + TNM staging 0.218
For validation cohort
 Our model 0.676 (0.556–0.796)
 TNM staging 0.654 (0.552–0.755)
 Treatment 0.647 (0.517–0.777)
 Our model + TNM staging 0.712 (0.614–0.809)
 Our model vs. TNM staging 0.761
 Our model vs. treatment 0.754
 Our model vs. our model + TNM staging 0.205

C-index concordance index, CI confidence interval

P values are calculated based on normal approximation using function rcorrp.cens in Hmisc package