Table 2.
Investigation of independent risk factors affecting drainage > 1000 ml by multivariate logistic regression analysis.
| Variable | Multivariate analysis1 | Multivariable analysis2 | ||||
|---|---|---|---|---|---|---|
| Odds ratio | 95% CI | P-value | Odds ratio | 95% CI | P-value | |
| CPB time | 1.009 | 0.987-1.030 | 0.436 | 1.020 | 0.997-1.043 | 0.08 |
| Lymphocyte | 1.976 | 0.661-5.905 | 0.223 | 1.320 | 0.551-3164 | 0.533 |
| CRP | 1.217 | 1.020-1.452 | 0.02 | -- | -- | -- |
| Hemoglobin | 0.607 | 0.286-1.286 | 0.192 | 0.607 | 0.335-1.100 | 0.100 |
| Calcium | 0.012 | 0.001-0.099 | < 0.001 | 0.011 | 0.002-0.100 | < 0.001 |
| Albumin | 0.695 | 0.497-0.972 | 0.03 | -- | -- | -- |
| CAR | -- | -- | -- | 831.0 | 5.844-11817.157 | 0.008 |
Bold P-values indicate statistical significance
1
Multivariate analysis includes CRP and albumin
2
Multivariable analysis includes CAR, not CRP and albumin
CAR=C-reactive protein albumin ratio; CI=confidence interval; CPB=cardiopulmonary bypass; CRP=C-reactive protein