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Performances of the classifiers on the external test set.
| Detection type | AUC | Sensitivity (%) | Specificity (%) | ACC (%) | PPV (%)* | NPV (%)* |
|---|---|---|---|---|---|---|
| Abnormality | 0.88 | 80 | 80 | 80 | 94 | 48 |
| Acute hemorrhage | 0.83 | 72 | 88 | 87 | 32 | 98 |
| Acute infarct | 0.97 | 90 | 97 | 95 | 92 | 96 |
| Mass effect | 0.87 | 79 | 81 | 81 | 12 | 99 |
*Note that positive predictive value (PPV) and negative predictive value (NPV) are highly dependent on the prevalence of the finding in a given population.
