International Prognostic Scoring System (IPSS).
| *Good: normal, -Y, del(5q), del (20q); Poor: complex (≥ 3 abnormalities) or chromosome 7 anomalies; Intermediate: other abnormalities. | |||||
| Adapted from Greenberg et al, International Scoring System for Evaluating Prognosis in Myelodysplastic Syndromes.4 | |||||
| Prognostic variable | 0 | 0.5 | 1.0 | 1.5 | 2.0 |
| BM blast % | < 5 | 5–10 | — | 11–20 | 21–30 |
| Karyotype* | Good | Intermediate | — | Poor | — |
| Cytopenias | 0/1 | 2/3 | — | — | — |
| *Good: normal, -Y, del(5q), del (20q); Poor: complex (≥ 3 abnormalities) or chromosome 7 anomalies; Intermediate: other abnormalities. | |||||
| Adapted from Greenberg et al, International Scoring System for Evaluating Prognosis in Myelodysplastic Syndromes.4 | |||||
| Prognostic variable | 0 | 0.5 | 1.0 | 1.5 | 2.0 |
| BM blast % | < 5 | 5–10 | — | 11–20 | 21–30 |
| Karyotype* | Good | Intermediate | — | Poor | — |
| Cytopenias | 0/1 | 2/3 | — | — | — |