Data are presented as mean±SD or N (%).

^a)Each 1 case of HLH (hemophagocytic lymphohistiocytosis), MPAL (mixed phenotype acute leukemia of T and myeloid lineages). ^b)Busulfan/cyclophosphamide, fludarabine/busulfan (12.8 mg/kg)/ATG, total body irradiation/cyclophosphamide/ATG. ^c)P<0.05.

Abbreviation: MA, myeloablative conditioning.