| Biological and immunological manifestations | Effectives (n) | Total patients (N) | Prevalence (%) |
| Haematological manifestations | 101 | 117 | 86.32 |
| Anaemia | 101 |
| 86.32 |
| Leukopenia | 18 |
| 15.38 |
| Thrombocytopenia | 16 |
| 13.67 |
| Inflammatory syndrome | 113 | 117 | 96.58 |
| Sedimentary rate | 113 |
| 96.58 |
| C reactive protein | 46 |
| 39.31 |
| ANA | 32 | 34 | 94.12 |
| Anti DNA native | 25 | 34 | 73.53 |
| Anti-ENA | 16 | 21 | 76.20 |
| Anti-Sm | 12 | 16 | 75 |
| U1RNP | 16 |
| 100 |
| Anti SSA/Ro | 12 |
| 75 |
| Anti SSB/La | 9 |
| 56.25 |
| Anti-Jo1 | 2 |
| 12.50 |
| Anti-Scl70 | 2 |
| 12.50 |
| Ac antiphospholipids | 6 | 16 | 37.50 |