Fig. 4From: Analysis of the incidence and risk factors of blood transfusion in total knee revision: a retrospective nationwide inpatient sample database studyHospital characteristics between the two surgical groups. A: Analysis of the number of hospital beds for blood transfusion patients. B: Analysis of the number of hospital beds for patients without blood transfusion. C: Analysis of hospital regional distribution of blood transfusion patients. D: Analysis of hospital regional distribution of patients without blood transfusionBack to article page