Polycythemia VeraLife ExpectancyPolycythemiaThrombocythemia, EssentialJanus Kinase 2Primary MyelofibrosisMyeloproliferative DisordersPipobromanThrombocytosisErythroid Precursor CellsAloeErythropoietinPhlebotomyReceptors, ThrombopoietinLife TablesErythropoiesisQuality of LifeGranulocytesMortalityReceptors, ErythropoietinThrombosisHydroxyureaBloodlettingHematocritMutationMutation, MissenseHematopoiesis, ExtramedullaryQuality-Adjusted Life YearsErythroid CellsAmino Acid SubstitutionCause of DeathGPI-Linked ProteinsPlatelet CountCost-Benefit AnalysisMarkov ChainsMegakaryocytesColony-Forming Units AssayLongevityBudd-Chiari SyndromeIsoantigensLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeChromosomes, Human, 19-20ThrombopoietinBone MarrowGross Domestic ProductHomozygoteHematopoietic Stem CellsFollow-Up StudiesSplenomegaly