Outcome by achievement of MMR or better at various time points. (A) OS by level of BCR-ABL to ABL transcripts at CR. (B) CRD by level of BCR-ABL to ABL transcripts at CR. (C) OS by level of BCR-ABL to ABL transcripts at 3 months. (D) OS by level of BCR-ABL to ABL transcripts at 6 months. (E) OS by level of BCR-ABL to ABL transcripts at 9 months. (F) OS by level of BCR-ABL to ABL transcripts at 12 months.