<p>International Prognostic Scoring System for Myelodysplastic Syndromes</p><p>International Prognostic Scoring System for Myelodysplastic Syndromes</p><p>Prognostic Score Value Variable 0 0.5 1.0 1.5 2.0</p><p>BM blasts (%) <5 5-10 - 11-20 21-30</p><p>Karyotype* Good Intermediate Poor</p><p>Cytopenias 0/1 2/3</p><p>Scores for risk groups are as follows: Low, 0; INT-1, 0.5-1.0; INT-2, 1.5-2.0; and High, ≥2.5. *Good, normal, -Y, del(5q), del(20q); Poor, complex (≥3 abnormalities) or chromosome 7 anomalies; Intermediate, other abnormalities.</p><p>Greenberg, P., C. Cox, M.M. LeBeau, P. Fenaux, P. Morel, G. Sanz, M. Sanz, T. Vallespi, T. Hamblin, D. Oscier, K. Ohyashiki, K. Toyama, C. Aul, G. Mufti, and J. Bennett. 1997. International scoring system for evaluating prognosis in myelodysplastic syndromes. Blood 89:2079-2088.</p>