Table 3 Accuracy of the prediction score of the nomogram for estimating the risk of false-positive lesions
Value (95% CI) | ||
|---|---|---|
Variable | Training Cohort | Validation Cohort |
Lesion area under ROC curve, concordance index | 0.821 (0.762–0.880) | 0.871 (0.794–0.947) |
Cutoff value | 0.290 | 0.288 |
Sensitivity, % | 81.6 (72.9–90.3) | 90.6 (80.5–100) |
Specificity, % | 68.9 (61.0-76.8) | 67.9 (55.6–80.1) |
Positive predictive value, % | 60.2 (50.7–69.6) | 61.7 (47.8–75.6) |
Negative predictive value, % | 86.7 (80.2–93.2) | 92.7 (84.7–100) |
Positive likelihood ratio | 2.626 (1.994–3.460) | 2.819 (1.896–4.192) |
Negative likelihood ratio | 0.867 (0.802–0.932) | 0.138 (0.046–0.412) |