RESULTS	For patients who were randomly assigned to one of the two treatment groups , the mean ( + / - SE ) rates of event-free survival three years after randomization were not significantly different in the two groups when examined by intention-to-treat analysis : 36 + / - 5.8 percent for the intensive-chemotherapy group as compared with 38 + / - 6.4 percent for the autologous-transplantation group ; and the relative risk of treatment failure for the chemotherapy group as compared with the autologous-transplantation group was 0.81 ( P = 0.20 by the log rank test ; 95 percent confidence interval , 0.58 to 1.12 ) .\