Table 3.
Cutoff values that allowed for a diagnosis of ATMI with sensitivity and specificity for PWD, PWA, and PWDisp in inferior leads
| Sensitivity, % | Specificity, % | AUC | 95% CI | |
|---|---|---|---|---|
| DII, PWD (95.5 ms) | 90 | 94 | 0.964 | 0.925–1.000 |
| DIII, PWD (90.0 ms) | 90 | 91 | 0.953 | 0.897–1.000 |
| aVF, PWD (93.5 ms) | 88 | 90 | 0.919 | 0.851–0.986 |
| DII, PWA (0.122 mV) | 90 | 91 | 0.929 | 0.862–0.995 |
| DIII, PWA (0.100 mV) | 90 | 88 | 0.908 | 0.823–0.993 |
| aVF, PWA (0.116 mV) | 85 | 85 | 0.865 | 0.775–0.955 |
| PWDisp (31.5 ms) | 85 | 85 | 0.924 | 0.864–0.984 |
Abbreviations: ATMI, atrial myocardial infarction; AUC, area under the curve; CI, confidence interval; PWA, P‐wave amplutide; PWD, P‐wave duration; PWDisp, P‐wave dispersion.