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Table 6 Hierarchical multivariable regression model for favorable neurological outcome. Included one interaction (sex*hypothermia)

From: Predictors of neurological outcome after out-of-hospital cardiac arrest: sex-based analysis: do males derive greater benefit from hypothermia management than females?

Variable

Full cohort N = 22,416

OR

(95% CI)

P value

EMS arrival interval (per min)

0.92

0.80–0.94

< 0.001

Age (per year)

0.97

0.96–0.97

< 0.001

Sex

 Female

Ref

  

 Male

0.95

0.77–1.16

0.59

Location of arrest

 Not public

Ref

  

 Public

1.78

1.53–2.07

< 0.001

Witness status

 Unwitnessed

Ref

  

 Witnessed

3.01

2.57–3.54

< 0.001

CPR status

 No CPR

Ref

  

 Bystander CPR

1.28

1.17–1.48

< 0.001

Chest compression rate

 50–99

Ref

  

 100–120

1.58

1.30–1.94

< 0.001

 > 120

0.97

0.65–1.44

0.86

Initial cardiac rhythm

 Nonshockable

Ref

  

 Shockable

6.53

5.47–7.80

< 0.001

Epinephrine

 No

Ref

  

 Yes

0.10

0.08–0.12

< 0.001

Advanced airway

 No

Ref

  

 Yes

0.59

0.49–0.70

< 0.001

Hypothermia management

 No

Ref

  

 Yes

4.94

3.76–6.48

< 0.001

Sex * hypothermia

1.61

1.18–2.19

0.003

  1. AIC 161549.14
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International Journal of Emergency Medicine

ISSN: 1865-1380

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