Baseline characteristics of the study patients.
| Demographic and Clinical Variables | |
|---|---|
| Patients, n | 39 |
| Age, yrs | 52.9 ± 10.6 |
| Ethnicity, n (%) | |
| Caucasian | 36 (92.3) |
| African | 1 (2.6) |
| Other | 2 (5.2) |
| Disease classification, n (%) | |
| Limited SSc | 29 (74.4) |
| Diffuse SSc | 10 (25.6) |
| RP duration, yrs | 11.8 ± 10 |
| Average RP attacks/wk, baseline | 20.7 ± 12.3 |
| Average RCS in cm, baseline | 3.76 ± 1.83 |
SSc: systemic sclerosis; RP: Raynaud’s phenomenon; RCS: Raynaud Condition Score.