Table 4.
Multivariate logistic regression analysis model for postoperative hypoxemia
|
Variables in the equation | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| B | S.E. | Wald | df | Sig. | Exp(B) |
95.0% C.I. for EXP(B) |
|||
| Lower | Upper | ||||||||
| Step 1a |
BMI |
.020 |
.050 |
.151 |
1 |
.697 |
1.020 |
.924 |
1.125 |
| |
Acute onset |
-.859 |
.626 |
1.886 |
1 |
.170 |
.424 |
.124 |
1.444 |
| |
Preoperative hypoxemia |
2.682 |
.528 |
25.758 |
1 |
.000 |
14.611 |
5.187 |
41.158 |
| |
CA time |
.078 |
.023 |
11.286 |
1 |
.001 |
1.081 |
1.033 |
1.132 |
| |
transfusion≥3000 ml |
2.256 |
.425 |
28.211 |
1 |
.000 |
9.541 |
4.151 |
21.932 |
| Constant | −4.368 | 1.386 | 9.924 | 1 | .002 | .013 | |||
a. Variable(s) entered on step 1: BMI, acute onset of aortic dissection, preoperative hypoxemia, CA time, transfusion ≥3000 ml.
BMI-body mass index.
CA- circulatory arrest.