a trend toward significanceP =0.01
Importantly, statistical significance or a trend toward significance was retained at other cut-points as well, including 1, 10 and 20% (PFS log-rank P =0.01, P =0.08 and P =0.03, respectively, and OS log-rank P =0.002, P =0.01 and P =0.11, respectively; Supplementary Fig. 3 ).