Trends, complications, and readmission of allogeneic red blood cell transfusion in primary total hip arthroplasty in china: a national retrospective cohort study.

This study found that allogeneic RBC transfusion in THA was not associated with the increased risk of complications and any-cause readmission. However, the currently restrictive transfusion policy should be continued because excessive blood transfusion may increase the socioeconomic burden.