| Clinical symptoms | Numbers of patients | % |
| Physical asthenia | 17 | 85 |
| Weight loss | 11 | 55 |
| Alopecia | 9 | 45 |
| Erythema | 10 | 50 |
| Photosensitivity | 9 | 45 |
| Malar rash | 8 | 40 |
| Erosion/ulceration | 7 | 35 |
| Polyarthritis | 13 | 65 |
| Joint stiffness | 8 | 40 |
| Skin sclerosis | 1 | 5 |