Prevalence and risk factors of premature coronary artery disease in patients undergoing coronary angiography in Kurdistan, Iraq

Table 4 Sensitivity analysis of different categories of coronary stenosis

Coronary stenosis (%)	Sensitivity %	Specificity %	PPV^a %	NPV^b %	Accuracy %
<50 %	96.2	90.7	92.0	94.4	95.2
≥50 %–≤ 70 %	95.1	91.2	93.6	92.7	94.3
>70 %	91.4	94.2	96.5	89.9	93.8

ISSN: 1471-2261