Table 6.
Estimated characteristics of ultrasound screening for AAA in a community screening program*
Measurement | Sensitivity (%) | Specificity (%) | Likelihood ratio for positive test | Likelihood ratio for negative test |
Proximal aorta | 87.4 | 99.9 | 874 | 0.126 |
Distal aorta | 98.9 | 99.8 | 494.5 | 0.011 |
*Data from reference 74.
AAA indicates abdominal aortic aneurysm.