TABLE 2.

ROC curve to evaluate the efficacy of univariate and predictive model in predicting recurrence of AF

Variable	Cut‐off value	AUC (95%CI)	Specificity	Susceptibility	Accuracy
BNP (pg/mL)	340.950	0.703 (0.625–0.781)	0.550	0.818	0.619
LAAV (cm/s)	38.100	0.679 (0.603–0.755)	0.575	0.746	0.619
LAVImin (ml/m2)	26.833	0.667 (0.587–0.747)	0.713	0.582	0.679
DEI (%)	0.353	0.666 (0.583–0.749)	0.588	0.673	0.609
MODEL	−1.218	0.814 (0.749–0.874)	0.811	0.673	0.776

Note: *p < .05.

Abbreviations: BNP, brain natriuretic peptid; DEI, Diastolic emptying index; LAAV, left atrial appendage peak emptying velocity; LAVImin, minimum LA volume index.