The Impact of Lesion Complexity and the CHA₂DS₂-VASc Score on Spontaneous Reperfusion in Patients with ST-Segment Elevation Myocardial Infarction

Table 3

Comparison of receiver operating characteristic (ROC) curves for spontaneous reperfusion.

Variable	Cut-off	AUC	SE^a	95% CI^b	Sensitivity, %	Specificity, %
CHA2DS2-VASc score	≤1	0.703	0.0152	0.681–0.725	56.1	73.3	<0.001
SYNTAX I score	≤19.5	0.534	0.0178	0.510–0.558	75.3	36.8	0.05
Uric acid	≤2	0.562	0.0208	0.538–0.586	12.9	100	0.003
CRP	≤9	0.560	0.0205	0.536–0.584	27.6	83.5	0.003
BNP	≤678	0.568	0.0196	0.544–0.592	84.1	28.6	0.0005
Troponin	≤52	0.555	0.0181	0.530–0.579	99.6	19.9	0.003

^aStandard error by DeLong et al, ^bconfidence interval with binomial exact, and cut-off values were determined by the Youden index.