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Table 5 Association between transport modality and death before ICU discharge (within 30 days) in multivariable analysis

From: Impact of emergency medical helicopter transport directly to a university hospital trauma center on mortality of severe blunt trauma patients until discharge

 

Model 1

Model 2

Model 3

 

OR

95% CI

Pvalue

OR

95% CI

Pvalue

OR

95% CI

Pvalue

Pre hospital transport

         

GMICU

1

-

 

1

-

 

1

-

 

HMICU

0.68

0.47-0.98

 

0.67

0.46-0.97

 

0.68

0.47-0.99

 

Age

  

<0.001

  

<0.001

  

<.001

(for 1 year variation)

1.03

1.03-1.04

 

1.04

1.03-1.04

 

1.04

1.03-1.04

 

Glasgow Coma Scale

  

<0.001

  

<0.001

  

<.001

≥14

1

-

 

1

-

 

1

-

 

8 to 13

2.67

1.67-4.26

 

2.33

1.44-3.77

 

2.26

1.39-3.68

 

<8

13.37

8.97-9.91

 

10.84

7.20-16.31

 

10.11

6.67-15.32

 

Systolic blood pressure (mmHg)

  

<0.001

  

<0.001

  

<.001

≥110

1

-

 

1

-

 

1

-

 

90 to 109

1.43

0.95-2.15

 

1.23

0.81-1.88

 

1.37

0.89-2.09

 

<90

2.79

1.90-4.10

 

2.5

1.69-3.71

 

2.49

1.66-3.73

 

SpO 2 (%)

  

0.001

  

0.001

  

0.001

>90

1

-

 

1

-

 

1

-

 

<90

1.83

1.27-2.63

 

1.83

1.27-2.64

 

1.89

1.29-2.75

 

Day time

  

0.012

  

0.017

  

0.021

Day

1

-

 

1

-

 

1

-

 

Night

0.65

0.46-0.91

 

0.65

0.46-0.93

 

0.66

0.46-0.94

 

Aggressive therapy b

  

0.023

  

0.066

  

0.099

No

1

-

 

1

-

 

1

-

 

Yes

1.54

1.06-2.24

 

1.44

0.98-2.11

 

1.39

0.94-2.06

 

Trauma severity

  

0.031

not entered

 

(p>0.10)

not entered

 

(p>0.10)

No

1

-

 

-

-

 

-

-

 

Yes

1.4

1.03-1.90

 

-

-

 

-

-

 

Injury Severity Score

not entered

    

<0.001

  

<.001

<15

-

-

-

1

-

 

1

-

 

15 to 24

-

-

-

0.77

0.37-1.60

 

6.54

3.35-12.76

 

25 to 34

-

-

-

2.59

1.37-4.89

 

3.34

1.74-6.43

 

≥ 35

-

-

-

4.8

2.51-9.15

 

0.87

0.41-1.83

 

Surgery (overall)

not entered

  

not entered

    

<.001

No

-

-

-

-

-

-

1

-

 

Yes

-

-

-

-

-

-

0.34

0.24-0.48

 
  1. aAnalysis performed among 1,817 patients due to missing values for at least one covariate; btherapy defined as aggressive if at least three of six criteria were present: tracheal intubation, colloids or SSH, crystalloids ≥1000 ml, catecholamines, blood products, exsufflation/chest tube. CI, confidence interval; GMICU, ground mobile intensive care unit; HMICU, helicopter mobile intensive care unit; OR, odds ratio; SpO2, pulse oximetry; SSH, hypertonic saline solution.
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