Table 2.
Evaluation of akinesia/hypokinesia and left ventricular ejection fraction < 55 % as screening tests for coronary artery disease
| Akinesia/Hypokinesia | EF < 55 % | |
|---|---|---|
| Estimate (95 % CI) | Estimate (95 % CI) | |
| Sensitivity (%) | 87.2 (74.8–94.0) | 88.9 (76.5–95.2) |
| Specificity (%) | 41.5 (29.2–54.9) | 41.8 (29.7–55.0) |
| PPV (%) | 56.9 (45.4–67.7) | 55.6 (44.1–66.5) |
| NPV (%) | 78.6 (60.5–89.8) | 82.1 (64.4–92.1) |
| DA (%) | 63.0 (53.2–71.8) | 63.6 (53.8–72.4) |
| LRP | 1.5 (1.4–1.6) | 1.5 (1.4–1.6) |
| LRN | 0.3 (0.2–0.5) | 0.3 (0.2–0.4) |
| DOR | 4.8 (1.8–13.4) | 5.8 (2.0–16.8) |
EF ejection fraction, CI confidence intervals, PPV positive predictive value, NPV negative predictive value, DA diagnostic accuracy, LRP likelihood ratio of a positive test, LRN likelihood ratio of a negative test, DOR diagnostic odds ratio