GVHD. (A) The cumulative incidence of grade II to IV GVHD was 27% (95% CI, 10-48) and the cumulative incidence of grade III to IV GVHD was 11% (95% CI, 1-40). The median onset day for grade II to IV GVHD was 40 days posttransplantation (range, 14-145 days). (B) The cumulative incidence of limited chronic GVHD was 42% (95% CI, 25-58). No patients developed severe or extensive chronic GVHD.