From: Plasma D-dimer concentration in patients with systemic sclerosis
 |  | D-dimer (ng/mL) | p |
---|---|---|---|
Patients subset | Controls (n = 33) | 229 (228–231) | 0.005 |
 | SSc patients (n = 28) | 362 (361–363) |  |
Clinical subset | Limited SSc (n = 17) | 283 (282–285) | 0.015 |
 | Diffused SSc (n = 11) | 538 (536–539) |  |
Disease activity | Inactive SSc (n = 20) | 306 (305–308) | 0.027 |
 | Active SSc (n = 8) | 562 (560–564) |  |
Total skin score | Â | r = 0.63* | <0.001 |
Forced vital capacity | Â | r = 0.45* | 0.016 |