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Survival and risk of AML evolution by International Prognostic Scoring System (IPSS) score
| IPSS Risk Group | ||||
|---|---|---|---|---|
| Low | int-1 | Int-2 | High | |
| Score | 0 | 0.5–1.0 | 1.5–2.0 | ≥ 2.5 |
| Lifetime AML evolution | 19% | 30% | 33% | 45% |
| Median years to AML | 9.4 | 3.3 | 1.1 | 0.2 |
| Median survival (years) | 5.7 | 3.5 | 1.2 | 0.4 |
Good: normal, Y, del (5q), del (20q); Poor: complex (≥ 3 abnormalities) or chromosome 7 abnormalities; Intermediate: other abnormalities
