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Receiver operating characteristic curve with a combination of five cytological features to predict PTC
| PTC | Cytologic features |
|---|---|
| Area under the ROC curve (AUC) | 0.871 |
| Standard Error | 0.0398 |
| 95% Confidence interval | 0.773-0.938 |
| P | <0.0001 |
| Cut-off | >0 |
| Sensitivity (95% CI) | 83.33% (67.2%-93.6%) |
| Specificity (95% CI) | 78.95% (62.7%-90.4%) |
| PPV (95% CI) | 78.9% (62.7%-90.4%) |
| NPV (95% CI) | 83.3% (67.2%-93.6%) |
| Diagnostic accuracy | 81.08% |
