Carotid artery plaque in women with rheumatoid arthritis and low estimated cardiovascular disease risk: a cross-sectional study

Table 3 Optimal cutoff values for age and total cholesterol concentrations in ROC curves with corresponding characteristics amongst RA patients

Characteristics	Cutoff	Sensitivity	Specificity	PPV	NPV
	Value	(%)	(%)	(%)	(%)
Age (years)	49.5	74	75	24	90
Total cholesterol (mmol/l)	5.4	63	70	22	86

ROC, receiver operating characteristic; RA, rheumatoid arthritis; PPV, positive predictive value; NPV, negative predictive value.

ISSN: 1478-6362