Finding	Value
Hemoglobin, median in g per L (range)	184 (18.4 g per dL); (151 [15.1 g per dL] to 265 [26.5 g per dL])
Hematocrit, median (range)	55% (36% to 78%)
Leukocyte count, median × 109 per L (range)	10.4 (10,400 per μL); (3 [3,000 per μL] to 171.6 [171,600 per μL])
Platelet count, median × 109 per L (range)	466 (466 × 103 per μL); (7 [7 × 103 per μL] to 2,370 [2,370 × 103 per μL])
Janus kinase 2 mutation presence	98% of patients
Subnormal erythropoietin presence	81% of patients