- Relationship to 4-year mortality by N-ratio.
| Cut-off | Diagnostic values | ROC curve | Odds ratio | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sensitivity | Specificity | PPV | NPV | Area (SE) | 95% CI | P-value | Odds ratio | 95% CI | P-value | ||
| N-ratio | 0.32 | 65.20% | 72.00% | 51.70 | 81.80% | 0.700 (0.069) | 0.565 - 0.835 | 0.006 | 4.821 | 1.675 - 13,876 | 0.003 |
PPV: positive predictive palue, NPV: negative predictive value, SE: standard error, CI: confidence interval