Fig. 4.
Probability of survival according to the development of acute GVHD.
Cumulative probability of survival for patients without or with grade 1 acute GVHD (continuous line) and for patients with grade 2 or 3 acute GVHD (dotted line) is shown. N, number of patients in each arm of randomization; EV, number of events occurring in each arm of randomization.