Skip to main content

Table 2 Risk-adjusted RBC transfusion in major surgery as a function of race

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

Major surgery Unadjusted Baselinea Within Hospitalsb
  OR (95% CI) P value AOR (95% CI) P value AOR (95% CI) P value
CABG       
Whites (Reference)   (Reference)   (Reference)  
Blacks 1.75 (1.42-2.17) <0.001 1.41 (1.13-1.76) 0.002 1.42 (1.30-1.56) <0.001
THR       
Whites (Reference)   (Reference)   (Reference)  
Blacks 1.30 (1.11-1.51) 0.001 1.39 (1.20-1.62) <0.001 1.43 (1.29-1.58) <0.001
Colectomy       
Whites (Reference)   (Reference)   (Reference)  
Blacks 1.20 (0.997-1.44) 0.053 1.08 (0.90-1.30) 0.40 1.01 (0.85-1.19) 0.92
  1. OR: odds ratio, AOR: adjusted odds ratio, CI: confidence interval, CABG: coronary artery bypass surgery, THR: total hip replacement.
  2. aIndicates patient level risk adjustment model (age, gender, admission status, APR-DRG severity of illness, and AHRQ comorbidities).
  3. bIndicates within-hospital risk adjustment model using hospital fixed effects model (all patient risk factors above plus hospital fixed effects).