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Table 2 Univariate and multivariable logistic regression of six-month good outcome predictors

From: Physician-staffed helicopter emergency medical service has a beneficial impact on the incidence of prehospital hypoxia and secured airways on patients with severe traumatic brain injury

  Univariate Multivariable
OR 95% CI p-value OR 95% CI p-value
Period
 HEMS 1.87 1.09–3.21 0.022 2.46 0.89–6.84 0.083
 EMS 1      
Age 0.95 0.93–0.96 < 0.001 0.95 0.93–0.96 < 0.001
Sex
 Male 1.78 0.99–3.19 0.055 Not entered   
 Female 1      
GCS 1.07 0.97–1.18 0.183 Not entered   
Hypoxia
 On-scene 1    Not entered   
 Not present 1.65 0.81–3.37 0.165    
Hypotension
 On-scene 1    Not entered   
 Not present 2.26 0.48–10.72 0.303    
Airway
 Secured 1.89 1.12–3.19 0.017 0.71 0.27–1.88 0.486
 Not secured 1      
Hypoxia
 At ER 1    Not entered   
 Not present 2.12 0.69–6.54 0.193    
Hypotension
 At ER 1    Not entered   
 Not present 2.28 0.48–10.78 0.299