Table 2.

Frequency of mutations according to disease phase

AllMutated (%)
Total no.297127 (43)
Chronic phase19854 (27)
    Imatinib frontline446 (14)
    Imatinib after α-IFN failure15448 (31)
Accelerated phase2111 (52)
Myeloid blast crisis3224 (75)
Lymphoid blast crisis/Ph+ ALL4638 (83)