Retrospective cohort study of 11,373 patients undergoing primary unilateral THA or TKA (2000–2008) using a validated formula to calculate perioperative blood loss and multivariate analysis to identify independent predictors of both blood loss and allogeneic transfusion requirement.
Retrospective cohort study of 11,373 patients undergoing primary unilateral THA or TKA (2000–2008) using a validated formula to calculate perioperative blood loss and multivariate analysis to identify independent predictors of both blood loss and allogeneic transfusion requirement.