Main clinicohematologic characteristics at diagnosis of primary myelofibrosis in 1054 patients
| Feature . | Median (range) . | Patients . | Percent (%) of patients . |
|---|---|---|---|
| Age, y | 64 (10-90) | ||
| Sex, M/F | 638/416 | 60.5/39.5 | |
| Constitutional symptoms | 281 | 27 | |
| Palpable splenomegaly | 681* | 89 | |
| Palpable hepatomegaly | 365† | 50 | |
| Hb, g/dL | 10.9 (1.7-16.4) | ||
| WBC count, ×109/L | 9.2 (0.7-108) | ||
| Platelets, ×109/L | 277 (2-3 279) | ||
| > 400 × 109/L | 321 | 30.5 | |
| ≤ 100 × 109/L | 174 | 16.5 | |
| Blood blasts ≥ 1% | 370‡ | 36.4 |
| Feature . | Median (range) . | Patients . | Percent (%) of patients . |
|---|---|---|---|
| Age, y | 64 (10-90) | ||
| Sex, M/F | 638/416 | 60.5/39.5 | |
| Constitutional symptoms | 281 | 27 | |
| Palpable splenomegaly | 681* | 89 | |
| Palpable hepatomegaly | 365† | 50 | |
| Hb, g/dL | 10.9 (1.7-16.4) | ||
| WBC count, ×109/L | 9.2 (0.7-108) | ||
| Platelets, ×109/L | 277 (2-3 279) | ||
| > 400 × 109/L | 321 | 30.5 | |
| ≤ 100 × 109/L | 174 | 16.5 | |
| Blood blasts ≥ 1% | 370‡ | 36.4 |