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Table 4 MLR model 2: variables retained for final MLR analysis after variable selection, coefficients, standard errors of the coefficients, odds ratios, 95% confidence intervals for the odds ratios for the model variables (x), and p-value

From: Support vector machine versus logistic regression modeling for prediction of hospital mortality in critically ill patients with haematological malignancies

Variable

Coefficient

SE

Odds Ratio

95% CI

p-value

High-grade malignancy

.670

.324

1.954

1.034–3.690

0.039

active disease

.850

.328

2.340

1.229–4.456

0.010

bacterial infection

-781

.324

.458

.243–.863

0.016

thrombocytopenia (<50.000/mm3)

.867

.314

2.379

1.287–4.399

0.006

ventilation < 24 h

1.414

.327

4.111

2.167–7.798

<0.001

prothrombin time (%)

-0.016

.008

.984

.970–1.000

0.045

PaO2/FiO2 (p/f)

-.003

.001

.997

.995–1.000

0.025

urea < 0.5 g/l (reference)

    

0.011

urea 0.5–1 g/l

0.583

.415

1.791

.876–.3.663

0.033

urea > 1 g/l

1.249

.387

3.486

1.545–7.866

0.085

Constant

-0.457

.716

0.633

 

0.021