| LVEF threshold of 50% | LVEF threshold of 55% |
---|---|---|
Sensitivity | 81% | 94% |
Specificity | 51% | 57% |
False-negative rate | 19% | 6% |
False-positive rate | 49% | 43% |
Positive predictive value | 60% | 79% |
Negative predictive value | 74% | 84% |
Accuracy (correct classification) | 65% | 80% |