Prognostic factors of response achievement and response duration
| . | Response achievement (n = 282) . | Response duration (months, n = 122) . | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Univariate analysis . | Multivariate analysis . | Univariate . | Multivariate analysis . | |||||||
| Response rate . | % . | P . | OR (95% CI) . | P . | Median . | Range . | P . | HR (95% CI) . | P . | |
| Age | .99 | .94 | ||||||||
| > 70 y | 67/156 | 43 | 9.2 | 2-28+ | ||||||
| ≤ 70 y | 55/126 | 44 | 9.5 | 2-38+ | ||||||
| ECOG PS | .02 | .73 | ||||||||
| 0-1 | 104/217 | 48 | 9.5 | 1-38+ | ||||||
| ≥ 2 | 17/56 | 30 | 9.5 | 2-24 | ||||||
| MDS type | .99 | .58 | ||||||||
| Secondary | 32/74 | 43 | 7.1 | 1-38+ | ||||||
| De novo | 90/208 | 43 | 9.5 | 1-28+ | ||||||
| WHO diagnosis | .14 | .04 | ||||||||
| RA/RARS/RCMD | 8/12 | 67 | 4.6 | 2-21+ | ||||||
| RAEB1 | 25/56 | 45 | 5.4 | 2-22 | ||||||
| RAEB2 | 68/151 | 45 | 9.8 | 1-38+ | ||||||
| AML (RAEB-t) | 21/63 | 33 | 10.9 | 1-24 | ||||||
| Interval from diagnosis | .99 | .31 | ||||||||
| > 6 mo | 55/126 | 44 | 9.6 | 2-38+ | ||||||
| ≤ 6 mo | 67/156 | 43 | 9.7 | 2-22+ | ||||||
| Prior LD AraC | .03 | .009 | .06 | |||||||
| Yes | 7/29 | 24 | 0.26 [0.10-0.71] | 17.7 | 4-28+ | |||||
| No | 111/243 | 46 | 8.9 | 1-38+ | ||||||
| Prior ESA | .25 | .41 | ||||||||
| Yes | 44/91 | 48 | 8.5 | 2-24+ | ||||||
| No | 78/190 | 41 | 9.8 | 1-38+ | ||||||
| Cytogenetic risk | .36 | .02 | ||||||||
| Favorable | 43/88 | 49 | 13.7 | 2-28 | ||||||
| Intermediate | 20/46 | 43 | 6.5 | 2-22+ | ||||||
| Unfavorable | 52/133 | 39 | 6.9 | 1-38+ | ||||||
| IPSS | .05 | .84 | ||||||||
| Intermediate-2 | 75/153 | 49 | 8.2 | 2-28+ | ||||||
| High | 45/122 | 37 | 9.3 | 1-38+ | ||||||
| -7/del7q | .19 | .03 | ||||||||
| Yes | 32/87 | 37 | 6.7 | 1-22 | ||||||
| No | 82/180 | 46 | 9.7 | 1-38+ | ||||||
| del5q/-5 | .36 | .11 | ||||||||
| Yes | 36/93 | 39 | 6.7 | 1-38+ | ||||||
| No | 77/172 | 45 | 9.7 | 1-28+ | ||||||
| +8 | .99 | .96 | ||||||||
| Yes | 17/39 | 44 | 7.7 | 1-22 | ||||||
| No | 97/225 | 43 | 9.5 | 1-38+ | ||||||
| del17p/-17 | .07 | .05 | ||||||||
| Yes | 7/28 | 25 | 4.7 | 1-18 | ||||||
| No | 105/234 | 45 | 9.5 | 1-38+ | ||||||
| Complex karyotype | .25 | .0003 | .0003 | |||||||
| Yes | 39/103 | 38 | 4.6 | 1-38+ | 2.64 [1.6-4.9] | |||||
| No | 74/162 | 46 | 10.3 | 2-28+ | ||||||
| Normal karyotype | .08 | .003 | .02 | |||||||
| Yes | 41/80 | 51 | 13.7 | 2-28+ | ||||||
| No | 73/186 | 39 | 0.4 [0.2-0.7] | 6.9 | 1-38+ | |||||
| Transfusion dependence | .4 | .47 | ||||||||
| ≥ 4 RBC units/8 w | 69/151 | 46 | 7.5 | 1-38+ | ||||||
| 0-3 RBC units/8 w | 52/128 | 41 | 10.3 | 1-28+ | ||||||
| ANC | .33 | .14 | ||||||||
| ≥ 1.0 G/L | 52/130 | 40 | 7.9 | 1-24+ | ||||||
| < 1.0 G/L | 68/152 | 46 | 9.5 | 1-38+ | ||||||
| Platelets | .21 | .80 | ||||||||
| ≥ 100 G/L | 35/70 | 50 | 10.3 | 2-22+ | ||||||
| < 100 G/L | 86/212 | 41 | 8.2 | 1-38+ | ||||||
| PB blasts | .04 | .03 | ||||||||
| Present | 47/127 | 37 | 6.6 | 1-24 | ||||||
| Absent | 73/147 | 50 | 10.2 | 2-38+ | ||||||
| Marrow blasts | .01 | .004 | .18 | |||||||
| > 15% | 42/121 | 35 | 0.44 [0.26-0.77] | 15.2 | 1-24+ | |||||
| ≥ 15% | 80/161 | 50 | 8.0 | 1-38+ | ||||||
| . | Response achievement (n = 282) . | Response duration (months, n = 122) . | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Univariate analysis . | Multivariate analysis . | Univariate . | Multivariate analysis . | |||||||
| Response rate . | % . | P . | OR (95% CI) . | P . | Median . | Range . | P . | HR (95% CI) . | P . | |
| Age | .99 | .94 | ||||||||
| > 70 y | 67/156 | 43 | 9.2 | 2-28+ | ||||||
| ≤ 70 y | 55/126 | 44 | 9.5 | 2-38+ | ||||||
| ECOG PS | .02 | .73 | ||||||||
| 0-1 | 104/217 | 48 | 9.5 | 1-38+ | ||||||
| ≥ 2 | 17/56 | 30 | 9.5 | 2-24 | ||||||
| MDS type | .99 | .58 | ||||||||
| Secondary | 32/74 | 43 | 7.1 | 1-38+ | ||||||
| De novo | 90/208 | 43 | 9.5 | 1-28+ | ||||||
| WHO diagnosis | .14 | .04 | ||||||||
| RA/RARS/RCMD | 8/12 | 67 | 4.6 | 2-21+ | ||||||
| RAEB1 | 25/56 | 45 | 5.4 | 2-22 | ||||||
| RAEB2 | 68/151 | 45 | 9.8 | 1-38+ | ||||||
| AML (RAEB-t) | 21/63 | 33 | 10.9 | 1-24 | ||||||
| Interval from diagnosis | .99 | .31 | ||||||||
| > 6 mo | 55/126 | 44 | 9.6 | 2-38+ | ||||||
| ≤ 6 mo | 67/156 | 43 | 9.7 | 2-22+ | ||||||
| Prior LD AraC | .03 | .009 | .06 | |||||||
| Yes | 7/29 | 24 | 0.26 [0.10-0.71] | 17.7 | 4-28+ | |||||
| No | 111/243 | 46 | 8.9 | 1-38+ | ||||||
| Prior ESA | .25 | .41 | ||||||||
| Yes | 44/91 | 48 | 8.5 | 2-24+ | ||||||
| No | 78/190 | 41 | 9.8 | 1-38+ | ||||||
| Cytogenetic risk | .36 | .02 | ||||||||
| Favorable | 43/88 | 49 | 13.7 | 2-28 | ||||||
| Intermediate | 20/46 | 43 | 6.5 | 2-22+ | ||||||
| Unfavorable | 52/133 | 39 | 6.9 | 1-38+ | ||||||
| IPSS | .05 | .84 | ||||||||
| Intermediate-2 | 75/153 | 49 | 8.2 | 2-28+ | ||||||
| High | 45/122 | 37 | 9.3 | 1-38+ | ||||||
| -7/del7q | .19 | .03 | ||||||||
| Yes | 32/87 | 37 | 6.7 | 1-22 | ||||||
| No | 82/180 | 46 | 9.7 | 1-38+ | ||||||
| del5q/-5 | .36 | .11 | ||||||||
| Yes | 36/93 | 39 | 6.7 | 1-38+ | ||||||
| No | 77/172 | 45 | 9.7 | 1-28+ | ||||||
| +8 | .99 | .96 | ||||||||
| Yes | 17/39 | 44 | 7.7 | 1-22 | ||||||
| No | 97/225 | 43 | 9.5 | 1-38+ | ||||||
| del17p/-17 | .07 | .05 | ||||||||
| Yes | 7/28 | 25 | 4.7 | 1-18 | ||||||
| No | 105/234 | 45 | 9.5 | 1-38+ | ||||||
| Complex karyotype | .25 | .0003 | .0003 | |||||||
| Yes | 39/103 | 38 | 4.6 | 1-38+ | 2.64 [1.6-4.9] | |||||
| No | 74/162 | 46 | 10.3 | 2-28+ | ||||||
| Normal karyotype | .08 | .003 | .02 | |||||||
| Yes | 41/80 | 51 | 13.7 | 2-28+ | ||||||
| No | 73/186 | 39 | 0.4 [0.2-0.7] | 6.9 | 1-38+ | |||||
| Transfusion dependence | .4 | .47 | ||||||||
| ≥ 4 RBC units/8 w | 69/151 | 46 | 7.5 | 1-38+ | ||||||
| 0-3 RBC units/8 w | 52/128 | 41 | 10.3 | 1-28+ | ||||||
| ANC | .33 | .14 | ||||||||
| ≥ 1.0 G/L | 52/130 | 40 | 7.9 | 1-24+ | ||||||
| < 1.0 G/L | 68/152 | 46 | 9.5 | 1-38+ | ||||||
| Platelets | .21 | .80 | ||||||||
| ≥ 100 G/L | 35/70 | 50 | 10.3 | 2-22+ | ||||||
| < 100 G/L | 86/212 | 41 | 8.2 | 1-38+ | ||||||
| PB blasts | .04 | .03 | ||||||||
| Present | 47/127 | 37 | 6.6 | 1-24 | ||||||
| Absent | 73/147 | 50 | 10.2 | 2-38+ | ||||||
| Marrow blasts | .01 | .004 | .18 | |||||||
| > 15% | 42/121 | 35 | 0.44 [0.26-0.77] | 15.2 | 1-24+ | |||||
| ≥ 15% | 80/161 | 50 | 8.0 | 1-38+ | ||||||