Sensitivity, Specificity, Positive Predictive Value (PPV), and Negative Predictive Value (NPV) of Right Ventricular EF, Volumes, and σ-TES for Diagnosis of Diffuse ARVD in Patients with Symptomatic Ventricular Arrhythmias
| Parameter | Threshold | % Sensitivity (95% CI) | % Specificity (95% CI) | % PPV (95% CI) | % NPV (95% CI) |
|---|---|---|---|---|---|
| EF | 49% | 95 (77–100) | 100 (84–100) | 100 (84–100) | 95 (77–100) |
| EDV | 104 mL | 91 (71–99) | 71 (52–91) | 77 (61–93) | 88 (64–98) |
| ESV | 53 mL | 95 (77–100) | 100 (84–100) | 100 (84–100) | 95 (77–100) |
| σ-TES | 123 ms | 91 (71–99) | 100 (84–100) | 100 (83–100) | 91 (72–99) |
CI = confidence interval.