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Table 2 Relation of bystander to victim as a factor associated with 1-month survival of bystander-witnessed OHCAs having bystander CPR

From: Don't stop your heart in front of your family: family as a bystander is associated with poor outcome of bystander-witnessed, bystander-CPR-performed out-of-hospital cardiac arrest

 

Adjusted odds ratio (95% confidence interval)

Factor

Bystander-witnessed OHCAs with bystander CPR

Of presumed cardiac etiology

Of presumed cardiac etiology with shockable initial rhythm

Etiology of arrest

   

   Presumed cardiac

1.39 (1.24 to 1.55)

Undefined

Undefined

   Noncardiac

Reference

  

Initial rhythm

   

   Shockable

4.38 (3.95 to 4.85)

4.82 (4.29 to 5.42)

Undefined

   Nonshockable

Reference

Reference

Reference

Patient's age

0.97 (0.97 to 0.98)

0.97 (0.97 to 0.97)

0.98 (0.97 to 0.98)

Sex

   

   Male

1.14 (1.02 to 1.26)

1.16 (1.02 to 1.32)

1.07 (0.90 to 1.26)

   Female

Reference

Reference

Reference

Relation of bystander to victim

   

   Family

Reference

Reference

Reference

   Friend, colleague and passers-by

1.70 (1.49 to 1.95)

1.40 (1.19 to 1.64)

1.61 (1.42 to 1.81)

   Others

1.59 (1.42 to 1.78)

1.46 (1.27 to 1.68)

1.32 (1.10 to 1.59)

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Critical Care

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