Table 5.
Effects of various variables on the transfusion requirement of packed red blood cell based on univariate and multivariate logistic regression analyses
|
Univariate |
Multivariate |
|||||
|---|---|---|---|---|---|---|
| Unadjusted odds ratio | 95% CI | p value | Adjusted* odds ratio | 95% CI | p value | |
| Age |
3.1 |
1.11-4.34 |
0.034 |
2.3 |
1.67-3.53 |
0.065 |
| Female |
1.12 |
0.92-1.85 |
0.004 |
3.91 |
2.99-3.81 |
0.023 |
| Diabetes |
1.23 |
0.95-2.88 |
0.844 |
|
|
|
| EF |
0.86 |
0.59-1.96 |
0.101 |
|
|
|
| CPB time |
2.33 |
1.99-3.10 |
0.006 |
1.7 |
1.1-2.91 |
0.001 |
| X-clamp time > 60 min |
2.16 |
1.91-2.55 |
0.003 |
4.45 |
3.94-4.98 |
0.001 |
| COPD |
4.61 |
1.13-7.29 |
0.673 |
|
|
|
| LITA |
2.34 |
0.25-4.81 |
0.123 |
|
|
|
| Radial artery |
2.45 |
1.31-4.02 |
0.678 |
|
|
|
| BSA < 1.60 m2 |
3.71 |
3.34-4.95 |
0.001 |
3.83 |
3.67-5.13 |
<0.001 |
| Crystalloid cardioplegia | 1.25 | 0.91-1.62 | <0.001 | 0.78 | 0.18-1.2 | <0.001 |
*Adjusted for ejection fraction, cross-clamp time, LITA, COPD.
EF ejection fraction, CPB cross-clamp time, LITA left internal thoracic artery, COPD chronic obstructive pulmonary disease, BSA body surface area.