Fig. 3.

Kaplan–Meier plots of overall survival for the following prognostic factors in the long-term follow-up survey. A Response criteria. B Time-to-enrollment after the initiation of first-line therapy, which includes eligible patients who received 1 regimen; other patients who received 2 regimens or ASCT were not included. C International prognostic index score. D Cell of origin. OS, overall survival; CR, complete remission; PR, partial remission; SD, stable disease; PD, progressive disease; NE, not evaluable; TTE, time-to-enrollment; IPI, international prognostic index; ABC, activated B-cell-like; GCB, germinal cell B-cell-like; ASCT, autologous stem cell transplantation