Table 2 Multivariate analysis
B | E.S. | Wald | df | Sig. | Exp (B) | 95% CI | |||
|---|---|---|---|---|---|---|---|---|---|
Inferior | Superior | ||||||||
Step 1 | Male gender | 3.141 | 1.366 | 5.286 | 1 | 0.021 | 23.136 | 1.590 | 336.734 |
BMI | 0.162 | 0.156 | 1.080 | 1 | 0.299 | 1.176 | 0.866 | 1.596 | |
MPI | 0.141 | 0.105 | 1.802 | 1 | 0.179 | 1.151 | 0.937 | 1.414 | |
Björck grade | 1.614 | 1.527 | 1.117 | 1 | 0.291 | 5.023 | 0.252 | 100.141 | |
ASA > 2 | .103 | 1.582 | 0.004 | 1 | 0.948 | 1.109 | 0.050 | 24.647 | |
Constant | − 1.178 | 5.832 | 3.674 | 1 | 0.055 | 0.000 | |||
Step 4 | Male gender | 2.700 | 1.050 | 6.613 | 1 | 0.010 | 14.881 | 1.901 | 116.509 |
MPI | 0.70 | 0.077 | 4.931 | 1 | 0.026 | 1.185 | 1.020 | 1.377 | |
Constant | − 6.750 | 2.336 | 8.349 | 1 | 0.004 | 0.001 | |||