| Additional tests | Number (N = 271) | Proportion (%) |
| CBC | 159 | 58.67 |
| Blood smear | 85 | 31.37 |
| CRP | 32 | 11.81 |
| creatininemia | 25 | 9.23 |
| CSF Analysis | 12 | 4.43 |
| Blood electrolytes | 8 | 2.95 |
| Chest x-ray | 123 | 45.39 |
| Echocardiography | 9 | 3.32 |
| Brain CT | 1 | 0.37 |
| Brain MRI | 1 | 0.37 |