Table 2.
The Validation of Chemotherapy Efficacy Prediction Nomogram
| Parameter | Training Cohort | Validation Cohort |
|---|---|---|
| C-index | 0.881 | 0.813 |
| Dxy | 0.763 | 0.627 |
| R2 | 0.536 | 0.358 |
Abbreviations: Dxy, Somers’ Dxy rank correlation; R2, R-squared index.
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