Comorbidities by cluster
| Comorbidities | Clusters | P value | ||||
| 1 (n=20) | 2 (n=32) | 3 (n=15) | 4 (n=53) | 5 (n=34) | ||
| Cardiomyopathy | 3 (15) | 4 (12.5) | 2 (13.3) | 6 (11.3) | 4 (11.8) | 0.9946 |
| End-stage renal disease | 0 (0) | 4 (12.5) | 0 (0) | 4 (7.6) | 0 (0) | 0.1136 |
| Pulmonary fibrosis | 2 (10) | 6 (18.8) | 0 (0) | 9 (17.0) | 7 (20.6) | 0.3749 |
| Cutaneous vasculitis | 5 (25) | 3 (9.4) | 2 (13.3) | 6 (11.3) | 5 (14.7) | 0.5752 |
| Raynaud’s | 11 (55) | 15 (46.9) | 7 (46.7) | 28 (52.8) | 18 (52.9) | 0.9699 |
Data presented as n (%).