Table 3: Independent factors associated with vascular and mechanical foot lesion in multivariate analysis.
| Vascular lesion | B | OR (95% CI) | P value |
| Subtype (diffuse) | 1.385 | 3.99 (1.12-14.2) | 0.03 |
| Telangectasia | 1.43 | 4.17 (1.01-17.4) | 0.05 |
| Calcinosis | 2.12 | 8.349 (1.95-35.6) | 0.004 |
| Raynauds' on foot | 2.53 | 12.6 (2.92-54.4) | 0.001 |
| Mechanical lesion | |||
| Esophageal dysmotility | 1.06 | 2.90 (1.06-7.93) | 0.04 |
| Digital ulcer on hand | 1.08 | 2.94 (1.10-7.88) | 0.03 |
| Raynauds' on foot | 2.97 | 19.65 (3.74-103.26) | 0.001 |