At a median follow-up of 7.9 years ( range , 0.3 to 10.1 years ) for 355 surviving patients , no differences were observed in OS ( hazard ratio [ HR ] , 0.96 ; 95 % CI , 0.79 to 1.18 ; P = .37 ; 8-year survival , 48 % v 48 % ) , PFS ( HR , 1.02 ; 95 % CI , 0.84 to 1.24 ; P = .52 ; 8-year estimate , 42 % v 41 % ) , LRF ( HR , 1.08 ; 95 % CI , 0.84 to 1.38 ; P = .78 ; 8-year estimate , 37 % v 39 % ) , or DM ( HR , 0.83 ; 95 % CI , 0.56 to 1.24 ; P = .16 ; 8-year estimate , 15 % v 13 % ) .