TABLE 3.
Optimal cutoff value and measures of diagnostic accuracy
| Parameters | AUC | Cut‐off value | Sen (%) | Spe (%) | PPV (%) | NPV (%) | ACC (%) |
|---|---|---|---|---|---|---|---|
| Maximum PWD in limb leads | 0.794 | 134 ms | 90.3 | 72.0 | 83.2 | 82.8 | 83.1 |
| P‐terminal force | 0.745 | 50 ms × mm | 80.0 | 64.5 | 77.7 | 67.7 | 73.9 |
| Model combining the two predictors | 0.814 | 81.8 | 75.7 | 83.9 | 73.0 | 79.4 |
Abbreviations: ACC, accuracy; AUC, area under the curve; NPV, negative predictive value; PPV, positive predictive value; PWD, P‐wave duration; Sen, sensitivity; Spe, specificity.