Demographic data and disease subtype in the study cohort. Data are mean (SD) unless otherwise indicated.
| Characteristic | Total Study Cohort, n = 312 | Survivors, n = 269 | Deceased, n = 43 | p |
|---|---|---|---|---|
| Demographic, n (%) | ||||
| Female | 241 (77) | 213 (79) | 28 (65) | 0.03 |
| Male | 71 (33) | 56 (21) | 15 (35) | |
| Age at disease onset*, yrs | 47 (14.4) | 46 (14.2) | 54 (14.3) | 0.005 |
| Age at SSc diagnosis, yrs | 54 (14.5) | 50 (14.7) | 57 (13.7) | 0.043 |
| Age at death, yrs | 57 (13.5) | 56 (13.2) | 64 (12.1) | 0.000 |
| Disease duration**, yrs | 9.9 (7.4) | 9.7 (7.5) | 10.8 (8.1) | 0.357 |
| Followup***, yrs | 8.1 (6.8) | 8.2 (6.8) | 8.0 (6.8) | 0.895 |
| Disease subgroup, n (%) | ||||
| Limited | 35 (11) | 34 (13) | 1 (2.3) | 0.003 |
| Limited cutaneous | 209 (67) | 184 (68) | 25 (58) | |
| Diffuse cutaneous | 68 (22) | 51 (19) | 17 (40) |