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