The ROC analysis for heart rate showed an AUC of 0.564 (95% CI: 0.470–0.659), indicating limited discriminatory ability, and it did not reach statistical significance ( P = 0.149).
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Left atrial-ventricular coupling index associated with new-onset atrial fibrillation in ST-segment elevation myocardial infarction patients.
1
0.1490
0.1490