Univariate analysis showing variables with p<0.1
| Low ABI | Normal ABI | p Value | |
|---|---|---|---|
| Group 1 (≤34 years) | N=3 | N=34 | |
| APS, n/N (%) | 2/3 (66) | 0/34 (0) | 0.005 |
| aPL, n/N (%) | 3/3 (100) | 11/34 (32.3) | 0.047 |
| Cumulative prednisone, g, mean (SD) | 21.25 (1.89) | 7.70 (1.08) | 0.058 |
| Group 2 (35–49 years) | N=12 | N=72 | |
| DM, n/N (%) | 2/12 (16.6) | 1/72 (1.3) | 0.052 |
| HTN, n/N (%) | 6/12 (50) | 14/72 (19.4) | 0.021 |
| Average prednisone <7.5 mg/day, n/N (%) | 11/11 (100) | 50/68 (73.5) | 0.046 |
| Abdominal obesity, cm, mean (SD) | 90.46 (14.9) | 82.50 (12.2) | 0.047 |
| Fibrinogen levels, mg/dL, mean (SD) | 454 (100) | 388 (83.2) | 0.021 |
| Group 3 (≥50 years) | N=31 | N=64 | |
| Vitamin D levels, ng/mL, mean (SD) | 22.2 (8.7) | 35.9 (41.4) | 0.018 |
| Hypercholesterolaemia, n/N (%) | 21/31 (67.7) | 30/64 (46.8) | 0.056 |
| Any vascular risk factor (ever smoking), n/N (%) | 30/31 (96.7) | 50/64 (78.1) | 0.015 |
| Any vascular risk factor (current smoking), n/N (%) | 28/31 (90.3) | 44/64 (68.7) | 0.023 |
| Ischaemic heart disease, n/N (%) | 4/31 (12.9) | 2/64 (3.1) | 0.086 |
| aCL, n/N (%) | 4/31 (12.9) | 24/64 (37.5) | 0.011 |
| aPL, n/N (%) | 6/31 (19.3) | 27/64 (42.1) | 0.028 |
| Arterial thrombosis, n/N (%) | 11/31 (35.4) | 11/64 (17.1) | 0.047 |
| Cumulative MMF, g, mean (SD) | 0 (0) | 111 (442.8) | 0.049 |
| Average prednisone <7.5 mg/day, n/N (%) | 28/30 (93.3) | 48/63 (76.1) | 0.038 |
ABI, ankle–brachial index; aCL, anticardiolipin antibodies; aPL, antiphospholipid antibodies (anticardiolipin and/or lupus anticoagulant); APS, antiphospholipid syndrome; DM, diabetes mellitus; HTN, arterial hypertension; MMF, mycophenolote mofetil.