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Table.2 Bivariate analysis between the bystander-initiated CPR and EDI or the co-variables

From: A national population-based study of patients, bystanders and contextual factors associated with resuscitation in witnessed cardiac arrest: insight from the french RéAC registry

 

Initiated CPR

N= 12299

No initiated CPR

N= 11680

OR (IC 95%)

p value

EDI (quintile)

    

 1 – the least deprived

2258 (18.4)

1797 (15.4)

1

 

 2

2040 (16.6)

1744 (14.9)

0.93 (0.85-1.01)

0.098

 3

1891 (15.4)

1662 (14.2)

0.92 (0.84-1.01)

0.075

 4

2159 (17.6)

2104 (18.0)

0.85 (0.78-0.93)

<0.001

 5 - the most deprived

3951 (32.1)

4373 (37.4)

0.76 (0.70-0.82)

<0.001

Context data

    

Location

    

 At home

8492 (69.8)

9191 (79.6)

Ref

 

 Public place

3217 (26.4)

2139 (18.5)

1.61 (1.51-1.71)

<0.001

 Other

457 (3.8)

219 (1.9)

2.26 (1.92-2.67)

<0.001

Public holiday

   

0.592

 No

11892 (96.7)

11276 (96.5)

Ref

 

 Yes

407 (3.3)

404 (3.5)

0.96 (0.84-1.11)

Time of the call

   

<0.001

 Day (0800-1959)

8364 (68.1)

6917 (59.4)

Ref

 

 Night (2000-0759)

3914 (31.9)

4733 (40.6)

0.68 (0.65-0.72)

Working hours

   

<0.001

 No

6627 (54.0)

7002 (60.1)

Ref

 

 Yes

5651 (46.0)

4648 (39.9)

1.28 (1.22-1.35)

Bystander data

    

Type of bystander

    

 Family

6903 (56.2)

8935 (76.7)

Ref

 

 Health prof.

2183 (17.8)

419 (3.6)

6.78 (6.08-7.56)

<0.001

 Rescuer

799 (6.5)

89 (0.8)

11.53 (9.23-14.40)

<0.001

 Other

2406 (19.6)

2211 (19.0)

1.40 (1.31-1.50)

<0.001

tCPR

    

 Yes

4926 (40.1)

1144 (9.8)

Ref

 

 No

2364 (19.2)

4966 (42.5)

0.11 (0.10-0.12)

<0.001

 Missing value

5009 (40.7)

5576 (47.7)

0.21 (0.19-0.22)

<0.001

Patient data

    

Gender

   

<0.001

 Female

3687 (30.0)

3822 (32.7)

Ref

 

 Male

8611 (70.0)

7855 (67.3)

1.13 (1.07-1.19)

Age, by quartile

    

 [18,56]

3575 (29.1)

2582 (22.1)

Ref

 

 (56,69]

3336 (27.1)

2708 (23.2)

0.89 (0.83-0.96)

0.002

 (69,81]

3000 (24.4)

3209 (27.5)

0.67 (0.62-0.72)

<0.001

 (81,108]

2388 (19.4)

3181 (27.2)

0.54 (0.51-0.59)

<0.001

Cause of the CA

    

 Med. cardiac

8545 (69.5)

7206 (61.7)

Ref

 

 Med. non cardiac

2122 (17.3)

2493 (21.3)

0.72 (0.68-0.77)

<0.001

 Asphyxia

631 (5.1)

569 (4.9)

0.94 (0.83-1.06)

0.285

 Traumatic

637 (5.2)

1215 (10.4)

0.44 (0.40-0.49)

<0.001

 Drowning

268 (2.2)

122 (1.0)

1.81 (1.46-2.25)

<0.001

 Intox./Drug overdose

88 (0.7)

72 (0.6)

1.04 (0.76-1.42)

0.827

 Electrocution

8 (0.1)

3 (0.0)

2.29 (0.56-9.31)

0.247

Cardiovasc. disease

   

0.055

 Unknown

6995 (56.9)

6444 (55.2)

Ref

 

 Yes

5304 (43.1)

5236 (44.8)

0.95 (0.90-1.00)

  1. Categorical variables are presented with number and percentage
  2. CA: Cardiac arrest, CPR: Cardiopulmonary resuscitation, tCPR: CPR assisted by telephone, EDI: European Deprivation Index
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