Table V Results of univariate analysis of potential risk factors for NP

Age

1.0

0.99 – 1.02

ns

APACHE II

1.3

1.22 – 1.38

<0.001

Coma

6.6

3.75 – 11.48

<0.001

Trauma

1.7

0.93 – 2.97

ns

COPD

3.9

1.91 – 8.01

<0.001

Diabetes mellitus

0.6

0.35 – 1.16

ns

Central nervous system disorder

1.1

0.71 – 1.77

ns

Uremia

3.6

1.78–7.14

<0.001

Hypoalbuminemia

3.3

1.99–5.61

<0.001

Mechanical ventilation

5.4

3.36–8.75

<0.001

Tracheotomy

12.5

3.75–41.89

<0.001

Enteral feeding

13.9

6.38–30.13

<0.001

Presence of nasogastric

6.3

3.89–10.18

<0.001

Previous antibiotic treatment

3.3

1.94–5.62

<0.001

Immunosupressive therapy

2.0

0.50–8.29

ns

Antacids or H₂ antagonist therapy

0.6

0.25–1.36

ns

Thoracoabdominal surgery

1.0

0.63–1.69

ns