Characteristics of the study group at diagnosis
| Parameter . | Value . |
|---|---|
| Age, y, median (range) | 56 (26-79) |
| 60 years or older, n (%) | 32 (41) |
| Sex, male/female, n (%) | 46/32 (59/41) |
| Performance status = 2, n (%) | 2 (3) |
| Splenomegaly, cm, median (range) | 3 (0-15) |
| Hemoglobin level, g/L, median (range) | 120 (64-161) |
| WBC count,109/L, median (range) | 56 (2-405) |
| Platelet count, 109/L, median (range) | 392 (129-1140) |
| Peripheral blasts, %, median (range) | 2 (0-8) |
| Eosinophils, %, median (range) | 2 (0-8) |
| Basophils, %, median (range) | 2 (0-16) |
| Clonal evolution present, n (%) | 2 (3) |
| Variant translocation present, n (%) | 4 (5) |
| Prior hydroxyurea, N (%) | 48 (62) |
| Hasford score, n (%) | |
| Low | 30 (38) |
| Intermediate | 48 (62) |
| High | 0 (0) |
| Parameter . | Value . |
|---|---|
| Age, y, median (range) | 56 (26-79) |
| 60 years or older, n (%) | 32 (41) |
| Sex, male/female, n (%) | 46/32 (59/41) |
| Performance status = 2, n (%) | 2 (3) |
| Splenomegaly, cm, median (range) | 3 (0-15) |
| Hemoglobin level, g/L, median (range) | 120 (64-161) |
| WBC count,109/L, median (range) | 56 (2-405) |
| Platelet count, 109/L, median (range) | 392 (129-1140) |
| Peripheral blasts, %, median (range) | 2 (0-8) |
| Eosinophils, %, median (range) | 2 (0-8) |
| Basophils, %, median (range) | 2 (0-16) |
| Clonal evolution present, n (%) | 2 (3) |
| Variant translocation present, n (%) | 4 (5) |
| Prior hydroxyurea, N (%) | 48 (62) |
| Hasford score, n (%) | |
| Low | 30 (38) |
| Intermediate | 48 (62) |
| High | 0 (0) |
WBC indicates white blood cell.