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Table 3 Association between RBC transfusion and hospital concentration of black patients

From: Racial disparities in the use of blood transfusion in major surgery

Hospital concentration of black patients CABG THR Colectomy
AOR (95% CI) P value AOR (95% CI) P value AOR (95% CI) P value
Q1 (Low: ≤8%) (Reference)   (Reference)   (Reference)  
Q2 (Medium: 8-13%) 0.85 (0.56-1.30) 0.46 1.07 (0.66-1.74) 0.79 0.89 (0.61-1.29) 0.54
Q3 (Medium high: 13-27%) 1.06 (0.68-1.66) 0.79 1.06 (0.63-1.80) 0.82 1.27 (0.91-1.76) 0.15
Q4 (High: >27%) 1.29 (0.73-2.28) 0.38 1.24 (0.74-2.10) 0.41 1.48 (1.07-2.04) 0.02
  1. AOR: adjusted odds ratio, CI: confidence interval, CABG: coronary artery bypass surgery, THR: total hip replacement.