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The three prognostic risk groups defined by Michelis et al.29
| Risk group | Age (years) | Duration of first remission (months) | HCT-CI score |
|---|---|---|---|
| Favorable | <55 | ≥6 | ≤3 |
| Intermediate | <55 | ≥6 | >3 |
| Poor | ≥55 | ≥6 | Any |
| Poor | <55 | <6 | Any |
| Poor | ≥55 | <6 | Any |
HCT-CI = hematopoietic cell transplantation–specific comorbidity index.
