Table 1.
Revised international prognostic scoring system for myelodysplastic syndromes (2).
| 0 | 0.5 | 1 | 1.5 | 2 | 3 | 4 | |
|---|---|---|---|---|---|---|---|
| Karyotype * | Very good | Good | Intermediate | Poor | Very poor | ||
| BM blasts (%) | 0–2 | 3–4.9 | 5–10 | >10 | |||
| Hemoglobin (g/dL) | ≥10 | 8–9.9 | <8 | ||||
| Platelets (×109/L) | ≥100 | 50–99 | <50 | ||||
| ANC (×109/L) | ≥0.8 | <0.8 |
* Karyotype: very good: -Y, del(11q); good: normal, del(5q), del(12p), del(20q), double, including del(5q); intermediate: del(7q), +8, +19, i(17q), any other single or double independent clones; Poor: −7, inv(3)/t(3q)/del(3q), double, including −7/del(7q), complex: 3 abnormalities; very poor: complex: >3 abnormalities.