| characteristics | Number | Pourcentage (%) |
| Female sex | 5 | 62.5 |
| Male sex | 3 | 37.5 |
| Anemia | 8 | 100 |
| Epigastralgy | 4 | 50 |
| Paresthesis | 3 | 37.5 |
| Melanodermia | 4 | 50 |
| Depression
| 1 | 12.5 |