Table 4.
Effects of various variables on the intraoperative hemodilution (Htc < 22) 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 |
2.07 |
1.66-3.34 |
0.009 |
3.78 |
2.67-4.33 |
0.005 |
| Female |
0.89 |
0.42-1.85 |
0.007 |
2.91 |
1.99-3.01 |
0.003 |
| Diabetes |
0.99 |
0.55-1.88 |
0.712 |
1.66 |
0.2-5.43 |
0.476 |
| EF |
0.92 |
0.89-0.96 |
0.101 |
1.7 |
0.1-7.8 |
0.765 |
| CPB time |
1.03 |
0.99-1.10 |
0.211 |
2.6 |
2.1-2.91 |
0.001 |
| X-clamp time > 60 |
0.97 |
0.91-1.05 |
0.046 |
0.97 |
0.94-1.03 |
0.001 |
| COPD |
3.41 |
2.13-4.29 |
0.111 |
3.94 |
2.35-6.99 |
0.178 |
| LITA |
0.49 |
0.25-0.81 |
0.023 |
0.65 |
0.32-1.25 |
0.230 |
| Radial artery |
0.75 |
0.36-1.42 |
0.442 |
2.11 |
1.01-3.36 |
0.536 |
| BSA < 1.60 m2 |
5.60 |
4.71-8.95 |
0.005 |
6.01 |
5.67-6.33 |
0.001 |
| Crystalloid cardioplegia | 0.36 | 0.19-0.62 | <0.001 | 0.19 | 0.08-0.35 | <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.