Table 2.
Clinical characteristics
| Characteristics | ET n = 495 |
MF n = 465 |
|---|---|---|
| Splenomegaly (> 11 cm) | ||
| Yes | 113 (22.8%) | 272 (58.5%) |
| No | 374 (75.6%) | 188 (40.4%) |
| Palpable splenomegaly | 5 (4.4%) | 61 (22.4%) |
| No data (incl. not examined) | 8 (1.6%) | 5 (1.1%) |
| LDH | ||
| Below upper normal | 72 (14.5%) | 45 (9.7%) |
| Above upper normal | 398 (80.4%) | 366 (78.7%) |
| No data | 25 (5.0%) | 54 (11.6%) |
| Blasts in peripheral blood | ||
| ≥ 1% | 18 (3.6%) | 36 (7.7%) |
| < 1% | 251 (50.7%) | 62 (13.3%) |
| No data | 226 (45.7%) | 124 (26.7%) |
| White blood cell count | ||
| ≥ 11.000/µl | 134 (27.1%) | 197 (42.4%) |
| < 11.000/µl | 351 (70.9%) | 250 (53.8%) |
| No data | 10 (2.0%) | 18 (3.8%) |
| Anemia | ||
| Severe (Hb < 10 g/dl) | 10 (2.0%) | 65 (14.0%) |
| Mild (Hb ≥ 10 g/dl and < 12 g/dl) | 62 (12.5%) | 103 (22.2%) |
| No anemia (Hb > 12 g/dl) | 414 (83.6%) | 281 (60.4%) |
| No data | 9 (1.8%) | 16 (3.4%) |
| Platelet count | ||
| ≥ 450.000/µl | 464 (93.7%) | 290 (62.4%) |
| 100.000–450.000/µl | 22 (4.4%) | 147 (31.6%) |
| < 100.000/µl | 1 (0.2%) | 9 (1.9%) |
| No data | 8 (1.6%) | 243 (52.3%) |