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Annals of Intensive Care

Table 4 Multivariate analysis to identify risk factors associated with invasive mechanical ventilation (IMV) in the 695 patients with no contraindications to, refusal of, or failure of catheter insertion for epidural analgesia

From: Epidural analgesia in ICU chest trauma patients with fractured ribs: retrospective study of pain control and intubation requirements

 

aHR

95% CI

P value

History of chronic respiratory disease

2.38

1.25–4.52

0.008

SAPS II

1.07

1.04–1.09

< 0.0001

Flail chest

2.00

1.13–3.52

0.02

ISS

1.08

1.04–1.12

< 0.0001

Respiratory rate, breaths/min

1.06

1.01–1.12

0.02

Epidural analgesia

0.52

0.25–1.08

0.08

Noninvasive ventilation

1.84

1.02–3.33

0.04

Alcohol

 No alcohol abuse

  

< 0.0001*

 Alcohol abuse without alcohol withdrawal syndrome

2.82

1.38–5.77

.

 Alcohol abuse with alcohol withdrawal syndrome

7.50

3.61–15.6

 
  1. aHR adjusted hazard ratio, 95% CI 95% confidence interval, SAPS II Simplified Acute Physiology Score version II, ISS Injury Severity Score
  2. * Global value
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