Fig. 5.
Overall survival by (A, B) JAK2 V617F mutation status, (C, D) baseline IPSS risk category, (E, F) baseline haemoglobin level and (G, H) baseline palpable spleen length. *Patients who received ≥1 unit of RBC transfusions within 12 weeks before baseline were assigned to the haemoglobin <100-g/l subgroup. HR, hazard ratio; IPSS, International Prognostic Scoring System; RBC, red blood cell.
