Haematology · Oncology

IPSS for Primary Myelofibrosis at Diagnosis calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age >65 years at primary myelofibrosis diagnosis

Constitutional symptoms: weight loss, night sweats, or unexplained fever

Hemoglobin <10 g/dL

WBC >25 ×10⁹/L

Peripheral-blood blasts ≥1%

Result

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Clinical inputs

Age >65 years at primary myelofibrosis diagnosis
Constitutional symptoms: weight loss, night sweats, or unexplained fever
Hemoglobin <10 g/dL
WBC >25 ×10⁹/L
Peripheral-blood blasts ≥1%

Primary source

Cervantes F et al. New prognostic scoring system for primary myelofibrosis based on a study of the IWG-MRT. Blood. DOI: 10.1182/blood-2008-07-170449. PMID: 18988864 (2009)

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