Associations between acute and each subtype of chronic GVHD. (A) Chronic GVHD requiring systemic steroids in the BM/PB cohort. (B) Chronic GVHD requiring systemic steroids in the UCB cohort. (C) Lung chronic GVHD. (D) Extensive skin chronic GVHD. (E) NIH criteria–based moderate or severe chronic GVHD in the BM/PB cohort. (F) NIH criteria–based severe chronic GVHD in the BM/PB cohort. Ref, reference.