| Adverse effects | Nilotinib group (n = 25) | Imatinib group (n = 25) | P value |
| Anemia | 3 (12) | 5 (20) | 0.13 |
| Leucopenia | 3 (12) | 3 (12) | 0.99 |
| Thrombocytopenia | 0 | 2 (8) | 0.22 |