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Table 4 Univariate and multivariate analysis for NRBC transfusion (outcome 2)

From: Preoperative patient factors associated with blood product use in cardiac surgery, a retrospective cohort study

Factor Odds ratio (95% CI) P value Adjusted odds ratio P value
Gender (female vs. male) 1.050 (0.793–1.389) P = 0.735   
Age (per year increase) 1.001 (0.991–1.010) P = 0.900   
Creatinine (per µmol/L increase) 1.001 (1.000–1.002) P = 0.024 1.001 (1.000–1.002) P = 0.029
Respiratory disease (yes vs no) 0.997 (0.706–1.409) P = 0.988   
Dialysis (Yes vs No) 1.404 (0.627–3.143) P = 0.408   
Diabetes ( NYHA ) 0.569 (0.427–0.758) P < 0.001 0.536 (0.397–0.724) P < 0.001
Smoking ( NYHA ) 0.756 (0.584–0.979) P = 0.034 0.783 (0.600–1.024) P = 0.074
BMI (per kg/m2 increase) 0.978 (0.976–1.000) P = 0.055   
TBSA (per m2 increase) 0.938 (0.531–1.658) P = 0.827   
NYHA     
 Class 1 1.279 (0.994–1.646) P = 0.056   
 Class 2 0.853 (0.645–1.128) P = 0.265   
 Class 3 0.880 (0.639–1.212) P = 0.434   
 Class 4 0.851 (0.473–1.532) P = 0.591   
Preoperative Hb (per g/L increase) 0.991 (0.984–0.998) P = 0.014 0.995 (0.987–1.002) P = 0.172
Antiplatelet use < 24 h ( yes vs. no ) 0.977 (0.679– 1.408) P = 0.902   
Anticoagulant use < 24 h ( yes vs. no ) 1.327 (0.995–1.770) P = 0.054   
Non valve/CABG ( yes vs. no ) 1.641 (1.210–2.225) P < 0.001 1.418 (0.991–2.203) P = 0.056
Previous cardiothoracic intervention ( yes vs. no ) 2.412 (1.800–3.230) P < 0.001 2.370 (1.748–3.215) P < 0.001
Presence of cardiogenic shock 4.686 (2.706–8.117) P < 0.001 3.473 (1.970–6.135) P < 0.001