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%)