| Causes | Number of Cases | Percentage |
| Megaloblastic anemia | 66 | 66 |
| Aplastic anemia | 18 | 18 |
| Malaria | 6 | 6 |
| Kalazar | 4 | 4 |
| Acute myeloid leukemia | 2 | 2 |
| Multiple myeloma | 2 | 2 |
| Myelodysplastic syndrome | 1 | 1 |
| Miliary tuberculosis | 1 | 1 |
| Total | 100 | 100% |