AAA finding | No risk factors (n = 27,614) | 1 risk factor (n = 55,673) | ≥2 risk factors (n = 154,006) |
Normal (<3.0 cm) | 27,543 (99.7%) | 55,441 (99.6%) | 152,711 (99.2%) |
Abnormal (≥3.0 cm) | 71 (0.3%) | 230 (0.4%) | 1284 (0.8%) |