Overall response of patients with acute steroid-refractory GVHD to ECP 1 month and 3 months after start of treatment.

Overall response of all patients (All) and, in addition, patients with acute GVHD grades II, III, and IV are presented. The left column shows response 1 month (mo) and the right column 3 months after start of ECP. Red and pale red, complete response; green and pale green, partial response; orange and pale orange, no change; yellow, no response; black, patients who were dead at 3 months.