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Harrell's concordance indexes of TNM stage and nomogram system
| Cohort | C-index (95%CI) | |
|---|---|---|
| TNM stage | Nomogram | |
| Training | 0.630 (0.619-0.640) | 0.665 (0.653-0.677) |
| Validation | 0.674 (0.657-0.691) | 0.691 (0.663-0.719) |
| Test | 0.512 (0.466-0.557) | 0.885 (0.823-0.947) |
