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Table 2 Comparison of Hsp 27 ROC curves in different arterial disease groups

From: Plasma heat shock protein 27 is associated with coronary artery disease, abdominal aortic aneurysm and peripheral artery disease

Patient group	Cut-off value (ng/ml)	Sensitivity (%)	Specificity (%)	AUROC	AUROC 95% CI
CAD (n = 80)	2.24	0.69	0.67	0.75	0.67-0.82
PAD (n = 40)	2.69	0.59	0.58	0.62	0.51-0.71
AAA (n = 80)	2.75	0.58	0.56	0.60	0.50-0.68
All arterial disease patients (n = 200)	2.63	0.61	0.60	0.65	0.58-0.71

Optimal cut-off values were calculated using the Youden index. Area under the receiver operating characteristic curve (AUROC).

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