Table 1 Clinical and laboratory features of 210 patients with myeloproliferative neoplasms, stratified by the clinical diagnosis of polycythemia vera (PV), essential thrombocytosis (ET) and primary myelofibrosis (PMF)

Age in years; median (range)

61 (20–89)

59 (19–94)

60 (36–89)

60 (19–94)

Age > 60 years; n (%)

51 (63%)

45 (56%)

31 (62%)

127 (60%)

Leukocytes, × 10⁹/l; median (range)

10.94 (1–42.41)

9.94 (2.83–22.71)

10.38 (0.69–92.67)

10.43 (0.69–92.67)

Erythrocytes, × 10¹²/l; median (range)

6.36 (2.22–9.93)

4.53 (1.51–6.84)

4.11 (1.97–9.36)

5.15 (1.51–9.93)

Hemoglobin, g/dl; median (range)

186.25 (73–245)

132.94 (48–182)

116.95 (44–278)

150.22 (44–278)

Platelets, × 10⁹/l; median (range)

292.61 (56–715)

774.89 (328–2887)

416.30 (16–2890)

509.47 (16–2890)