Chapter 103. Polycythemia Vera and Other Myeloproliferative Diseases (Part 7)

Table 103-4 Risk Stratification for Idiopathic Myelofibrosis A. Prognostic factorsa Hemoglobin 30,000/µL Number of prognostic factors Risk group Median survival (months) 0 Low 93 1–2 High 17 B. Prognostic factorsb Hemoglobin 1% Number of prognostic factors Risk group Median survival (months) 0–1 Low 99 2–3 High 21 C. factorsc Prognostic Median survival (months) Age 10 gm% Karyotype: Normal 180 Abnormal 72 Age 65 years Hemoglobin ≤10 gm% Karyotype: Normal 44 Abnormal 16 Age 65 years Hemoglobin 10 gm% Karyotype: Normal 70 Abnormal 78 a From B Dupriez et al. Blood 88:1013, 1996. b From F Cervantes et al. Br J Haematol 102:684, 1998. ...