Table 3: Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of calcium scoring in assessing coronary artery disease under patient-based (PB) and vessel-based (VB) analyses.

Calcium scoring01–1011–100101–400401–1000 ≧1001
PBVBPBVBPBVBPBVBPBVBPBVB

Sensitivity100%100%Nil91.6%95.8%86.3%81.7%61.1%56.3%33.6%39.4%11.5%
Specificity0%0%Nil46.1%41.4%53.2%62.1%77.3%86.2%91.8%100%98.9%
PPV32.8%71%Nil45.3%80%47.3%84.1%56.7%90.9%66.7%100%83.3%
NPVNilNilNil91.9%80%88.8%58.1%80.3%44.6%74%40.3%69.6%
Accuracy32.8%71%Nil61%80%64%76%72%65%72.8%57%70.3%

Nil: no patients in respective group.