Retrospective subprojects

Analysis of risk factors associated with a lower quality of life

The effect of different treatment options on joint involvement in SSc

Validation of the articular disease activity indices in SSc patients

Aim of this subtask was to validate the Disease Activity Score of 28 Joints using ESR (DAS28-ESR) and CRP (DAS28-CRP), the Simplified Disease Activity Index (SDAI), and the Clinical Disease Activity Index (CDAI) used in rheumatoid arthritis (RA) for SSc patients.