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Table 3 Cox regression analysis to predict ventilator-associated pneumonia

From: Continuous endotracheal tube cuff pressure control system protects against ventilator-associated pneumonia

 

Hazard ratio

95% CI

P-value

Continuos versus intermittent endotracheal tube cuff-pressure control system

0.45

0.24-0.84

0.01

Endotracheal tube with versus without a lumen for subglottic secretion drainage

0.29

0.15-0.56

<0.001

APACHE-II score

0.98

0.94-1.02

0.33

Paralytic agents

0.95

0.45-2.02

0.90

Reintubation

1.48

0.71-3.10

0.30

Enteral nutrition

1.41

0.69-2.90

0.35

  1. APACHE, acute physiology and chronic health evaluation.