At 5 years , the probabilities of event-free survival and survival were 74 % ( 1 % ) and 82 % ( 1 % ) for all 5,060 eligible patients , 81 % and 90 % for the SR ( n = 1,564 ) , 75 % and 83 % for the IR ( n = 2,650 ) , and 55 % and 62 % for the HR ( n = 846 ) groups , respectively .