Table 3 Odds ratio, 95% confidence intervals, and P values for variables in logistic regression analysis of nosocomial BSI.

Lower

Upper

Previous administration of antibiotics

0.002

7.43

3.34

9.542

Diabetes

0.001

1.050

1.010

1.751

Obesity

0.154

1.43

0.328

2.868

Male nutrition

0.528

1.353

0.529

3.459

Immune deficiency

0.287

2.562

0.454

14.470

Leucocytopenia

0.01

3.756

2.361

5.028

Surgery

0.005

6.702

2.882

12.283

Urinary Catheter

0.066

1.669

0.967

2.882

Peripheral I.V. Catheter

0.094

1.547

0.269

2.109

Central I.V. Catheter

0.013

5.654

3.184

8.821

Assisted nutrition

0.09

4.961

2.790

8.818

Mechanical Ventilation

0.027

4.833

3.959

9.506

Endotracheal tube

0.171

1.692

0.797

3.595

Drainage tube

0.128

1.122

0.026

2.571

Renal dialysis

0.538

1.471

0.043

3.158