Demographic characteristics of 249 SSc patients
| lSSc | dSSc | Total | |
|---|---|---|---|
| Number (%) | |||
| Total | 186 (75) | 63 (25) | 249 (100) |
| Male | 45 | 26 | 71 (29) |
| Female | 141 | 37 | 178 (71) |
| Mean (SD) (y) | |||
| Age at onset | 43.4 (13.7) | 49.4 (16.3) | 44.9 (14.6) |
| At enrolment | 48.5 (13.2) | 52.7 (15.3) | 49.6 (13.8) |
| Disease duration | |||
| At enrolment | 5.1 (6.4) | 3.3 (4.1) | 4.6 (5.9) |
| At end of study | 10.9 (7.7) | 9.1 (6.4) | 10.4 (7.4) |
| Follow up | 5.8 (4.2) | 5.7 (4.3) | 5.8 (4.2) |