| Systemic Diseases | Sex-Ratio | Mean age (years) |
| All Systemic Diseases | 0.14 | 43.76 |
| Rheumatoid Arthritis | 0.13 | 45.06 |
| Systemic Lupus | 0.056 | 33.65 |
| Sjögren’s Syndrome | 0.18 | 44.83 |
| Systemic sclerosis | 0.18 | 36.54 |
| Inflammatory Myopathy | 0.22 | 41.59 |
| Systemic Vasculitis | 0.9 | 35.95 |
| Undifferenciated CTD | 0.12 | 36.95 |
| Systemic Sarcoidosis | 0.33 | 60.25 |
| Mixed CTD | 0/6 | 49.33 |
| Adult-onset Still’s Disease | 0.66 | 37.67 |
| APLS | 0.25 | 33 |