Variables | Present (μg FCN-2/ml), mean (SD) | Absent (μg FCN-2/ml), mean (SD) | p value |
---|---|---|---|
Skin manifestations | |||
 Digital ulcers | 1.4 (1.0) | 1.0 (0.7) | 0.05 |
 Pitting scars | 1.3 (0.9) | 1.0 (0.7) | 0.01 |
 Puffy fingers | 1.2 (1.0) | 1.0 (0.6) | 0.04 |
 Sclerodactily | 1.1 (0.8) | 1.1 (0.8) | 0.9 |
 Telangiectasia | 1.1 (0.9) | 1.0 (0.7) | 0.7 |
Organ involvement | |||
 PH | 0.9 (1.2) | 1.0 (0.7) | 0.6 |
 ILD by radiography | 1.2 (1.1) | 0.9 (0.6) | 0.02 |
 FVC < 80% predicted | 1.4 (1.3) | 1.0 (0.7) | 0.02 |
 Renal crisis | 1.4 (1.1) | 1.1 (0.9) | 0.5 |