Table 3. The predictive performance of the model for 3- and 5-year survival.
| Model | AUC (95% CI) |
Sensitivity (95% CI) |
Specificity (95% CI) |
NPV (95% CI) |
PPV (95% CI) |
Accuracy (95% CI) |
|---|---|---|---|---|---|---|
| Training set | ||||||
| 3-year survival prediction | 0.817 (0.813–0.821) |
0.688 (0.681–0.695) |
0.785 (0.781–0.789) |
0.861 (0.858–0.865) |
0.565 (0.558–0.572) |
0.757 (0.754–0.761) |
| 5-year survival prediction | 0.808 (0.804–0.812) |
0.716 (0.710–0.723) |
0.740 (0.736–0.745) |
0.836 (0.832–0.840) |
0.586 (0.579–0.592) |
0.732 (0.729–0.736) |
| Testing set | ||||||
| 3-year survival prediction | 0.815 (0.811–0.819) |
0.688 (0.681–0.695) |
0.781 (0.777–0.785) |
0.860 (0.856–0.863) |
0.563 (0.556–0.570) |
0.754 (0.751–0.758) |
| 5-year survival prediction | 0.805 (0.802–0.809) |
0.716 (0.710–0.723) |
0.740 (0.735–0.744) |
0.834 (0.830–0.838) |
0.588 (0.582–0.595) |
0.732 (0.728–0.735) |
AUC, area under the curve; CI, confidence interval; NPV, negative predictive value; PPV, positive predictive value.