| Clinical signs |
| Effectives | Percentage |
| Anemic syndrome | Skin and mucous pallor | 47 | 82.4% |
| Anorganic systolic breath | 8 | 14% | |
| Tachycardia | 53 | 93% | |
| Dyspnea exertional | 35 | 61.4% | |
| Digestive manifestations | Hunter glossitis | 17 | 29.8% |
| Transit disorders | 17 | 29.8% | |
| Epigastralgia | 12 | 21% | |
| Neurological manifestations | Combined spinal sclerosis | 6 | 10.5% |
| Sensitive neuropathy | 5 | 8.8% | |
| Isolated paraesthesia | 10 | 17.5% | |
| Dermatological signs | Palmoplantar melanoderma | 39 | 68.4% |