Table 3. ROC analysis of circZNF609 for distinguishing different subgroups of CAD from controls.

Subgroups	AUC (95% CI)	Specificity (95% CI)	Sensitivity (95% CI)	P value
SAP	0.705 (0.624–0.787)	0.715 (0.645–0.776)	0.621 (0.492–0.734)	<0.0001
UA	0.807 (0.740–0.873)	0.788 (0.721–0.845)	0.716 (0.593–0.820)	<0.0001
NSTEMI	0.713 (0.648–0.778)	0.777 (0.708–0.835)	0.602 (0.501–0.697)	<0.0001
STEMI	0.752 (0.691–0.813)	0.799 (0.733–0.855)	0.618 (0.516–0.712)	<0.0001

ROC, receiver operating characteristic; CAD, coronary artery disease; SAP, stable angina pectoris; UA, unstable angina pectoris; NSTEMI, non-ST-segment elevation myocardial infarction; STEMI, ST-segment elevation myocardial infarction; AUC, the area under the curve; CI, confidence interval.