Table 7

Coefficients and Wald tests for logistic regression on the accident and emergency data








95% CI for OR









Coefficient
SE
Wald
df
P
OR
Lower
Upper

Lactate
0.270
0.060
19.910
1
0.000
1.310
1.163
1.474
Urea
0.053
0.017
9.179
1
0.002
1.054
1.019
1.091
Age group
1.425
0.373
14.587
1
0.000
4.158
2.001
8.640
Constant
-5.716
0.732
60.936
1
0.000
0.003



CI, confidence interval; df, degrees of freedom; OR, odds ratio; SE, standard error.

Bewick et al. Critical Care 2005 9:112   doi:10.1186/cc3045