Parameter | Optimum cut-off | AUC | p-value | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Odds ratio |
---|---|---|---|---|---|---|---|---|
QRSd | 99.0 ms | 0.64 | 0.026 | 48.5 | 83.3 | 74.4 | 61.8 | 4.7 (2.1 to 10.6) |
QTc | 451.0 ms | 0.56 | 0.289 | 12.1 | 100.0 | 100.0 | 53.2 | 19.3 (1.1 to 342.1) |
SPQRS-T angle | 50.8° | 0.68 | <0.001 | 30.0 | 94.0 | 53.6 | 50.9 | 1.2 (0.5 to 2.7) |
RPD angle | 70.2° | 0.86 | <0.001 | 72.7 | 94.0 | 91.7 | 80.5 | 41.3 (13.1 to 130.2) |
RtRMS-QRS | 0.81 mV | 0.85 | <0.001 | 51.5 | 92.4 | 92.3 | 77.5 | 13.0 (4.6 to 36.4) |
Both right parameters | N/A | N/A | N/A | 81.8 | 90.9 | 90.0 | 83.3 | 45.0 (15.8 to 128.2) |