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Pre-treatment risk factors associated with OS in multivariate analysis (N=60)
| Number of PFS risk factors | 3y OS | HR for progression (95% CI) |
|---|---|---|
| 0 (relapsed, AA I-II, N=25) | 79% | |
| 1 (primary refractory or AA* III-IV, N=26) | 58% | 2.68 (1.04, 6.91) |
| 2 (primary refractory and AA III-IV, N=9) | 22% | 6.86 (2.27, 20.8) |
AA = Ann Arbor stage
