PAD finding

No risk factors (n = 27,614)

1 risk factor (n = 55,673)

≥2 risk factors (n = 154,006)

Normal (ABI ≥ 0.9)

(98.3%)

54,465 (97.8%)

147,408 (95.7%)

Abnormal (ABI < 0.9)

463 (1.7%)

1201 (2.2%)

6578 (4.3%)