Survival with imatinib mesylate versus other therapies by cytogenetic response at 3 and 6 months
. | Imatinib mesylate . | . | Historical control . | . | . | ||
|---|---|---|---|---|---|---|---|
| Cytogenetic response . | No.* . | % 4-y survival . | No. . | % 4-y survival . | P . | ||
| At 3 mo | |||||||
| Major | 111 | 96 | 37 | 76 | .003 | ||
| Minor | 31 | 93 | 13 | 54 | .007 | ||
| None | 77 | 72 | 136 | 43 | .0006 | ||
| Total | 219 | 88 | 186 | 50 | < .0001 | ||
| At 6 mo | |||||||
| Major | 112 | 95 | 34 | 79 | .04 | ||
| Minor | 29 | 96 | 10 | 60 | .009 | ||
| None | 58 | 70 | 96 | 43 | .02 | ||
| Total | 199 | 88 | 140 | 54 | < .0001 | ||
. | Imatinib mesylate . | . | Historical control . | . | . | ||
|---|---|---|---|---|---|---|---|
| Cytogenetic response . | No.* . | % 4-y survival . | No. . | % 4-y survival . | P . | ||
| At 3 mo | |||||||
| Major | 111 | 96 | 37 | 76 | .003 | ||
| Minor | 31 | 93 | 13 | 54 | .007 | ||
| None | 77 | 72 | 136 | 43 | .0006 | ||
| Total | 219 | 88 | 186 | 50 | < .0001 | ||
| At 6 mo | |||||||
| Major | 112 | 95 | 34 | 79 | .04 | ||
| Minor | 29 | 96 | 10 | 60 | .009 | ||
| None | 58 | 70 | 96 | 43 | .02 | ||
| Total | 199 | 88 | 140 | 54 | < .0001 | ||
Patients with insufficient metaphases or cytogenetic studies not done were excluded from this analysis.