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