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Test results of the TAP-CRNN model’s ability to distinguish systolic murmur from normal heart sounds at the 5 standard auscultation locations.
| Auscultation area | Accuracy | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|
| Aortic area | 94.6% | 95.5% | 91.7% | 97.7% | 84.6% |
| Pulmonic area | 95.7% | 94.1% | 100% | 100% | 85.7% |
| Second aortic area/ Erb’s point | 100% | 100% | 100% | 100% | 100% |
| Tricuspid area | 100% | 100% | 100% | 100% | 100% |
| Mitral area/apex | 95.7% | 94.1% | 100% | 100% | 85.7% |
