CALR and essential thrombocythemia: In patients with ET, the median leukocyte count (6.66 × 109/L vs. 8.15 × 109/L, p = 0.074) and hemoglobin level (12.2 g/dL vs. 13.8 g/dL, p = 0.059) were lower in patients with type 2-like CALR mutation than in those with type 1-like CALR mutation, whereas the median platelet count (851 × 109/L vs. 705 × 109/L, p = 0.092) was higher in patients with type 2-like CALR mutations.