Relapse risk plots according to D15 and D29 residual disease levels.

Kaplan-Meier plots. (A) Patients with D15 MRD levels at least (n = 36, lower curve) or less than (n = 34, upper curve) 0.3% (median for patients in remission), P = .02. (B) Patients with D29 MRD levels at least (n = 60, lower curve) and less than (n = 40, upper curve) 0.01% (median for patients in remission),P = .007.