Kaplan-Meier estimates of OS in the overall intention-to-treat population (A) and according to IGHV mutation status (B), del(17p) and/or TP53 mutation status (C), and GC status (D).P values are descriptive only. *Stratified analysis; unstratified HR, 0.42 (95% CI 0.27, 0.64). ^†Unstratified analysis. +, censored.