| n | % |
Sickle cell anemia | 58 | 59.80 |
Intra Cavernous Injection of Erectogenic Drugs | 4 | 4.12 |
Oral aphrodisiacs | 2 | 2.06 |
Leukemia | 1 | 1.03 |
Polycythemia | 2 | 2.06 |
Idiopathic causes | 30 | 30.93 |
Total | 97 | 100 |