Fig. 3From: Analysis of the incidence and risk factors of blood transfusion in total knee revision: a retrospective nationwide inpatient sample database studyPatient demographics between the two surgical groups. A: Age distribution analysis of blood transfusion patients. B: Analysis of age distribution of patients without blood transfusion. C: Racial distribution analysis of blood transfusion patients. D: Racial distribution analysis of patients without blood transfusionBack to article page