Table 4. Diagnostic Properties Regarding the WHUS and Standard Devices.

	AUC	Cutoff value (mm)	Sensitivity	Specificity	PPV	NPV	Estimated number of CAD patients using cutoff	Number of true CAD
max-CIMT of standard device	0.807	1.05	0.78	0.53	0.98	0.29	60	39 (97.5%)
max-CIMT of WHUS	0.725	1.10	0.98	0.27	0.78	0.53	63	39 (97.5%)

max-CIMT, mean of maximal value of carotid intima-medial thickness of a patient; AUC, area under the curve; PPV, positive predictive value; NPV, negative predictive value; WHUS, wireless handheld ultrasound; CAD, coronary artery disease.