Table 1 Out-of-hospital cardiac arrest patient characteristics

Number (%)

838 (100)

138 (16.5)

Incidence rate per 100,000 inhabitants per year

95.4

15.7

Dispatcher identified cardiac arrest

Yes

419 (50.0)

81 (58.7)

No

103 (12.3)

11 (8.0)

N/A (was alive)

157 (18.7)

13 (9.4)

Missing

159 (19.0)

33 (23.9)

Dispatcher CPR

Yes

374 (44.6)

73 (52.9)

No

146 (17.4)

19 (13.8)

N/A (was alive)

155 (18.5)

13 (9.4)

Missing

163 (19.5)

33 (23.9)

Age

Median

71 years (IQR, 58–81)

70.5 (IQR 59–77)

Min–max

18–99

33–91

Missing

2 (0.2)

0 (0.0)

Sex

Male

559 (66.7)

112 (81.2)

Female

279 (33.3)

26 (18.8)

Location

Residence

607 (73.8)

88 (63.8)

Nursing home/medical facility

43 (5.2)

6 (4.3)

Public area

173 (21.0)

44 (31.9)

Missing

15 (1.8)

0 (0.0)

Aetiology witnessed arrest

Medical/cardiac cause

660 (78.8)

138 (100)

Bystander

497 (59.3)

138 (100)

EMS

100 (11.9)

Unwitnessed

103 (12.3)

Missing

138 (16.5)

Bystander CPR

Yes

457 (54.5)

109 (79.0)

No

194 (23.2)

23 (16.7)

N/A (was alive)

168 (20.0)

6 (4.3)

Missing

19 (2.3)

0 (0.0)

Initial cardiac rhythm

VF/pVT

231 (27.5)

138 (100)

PEA/asystole

576 (68.5)

Missing

32 (3.8)

EMS defibrillation

Yes

231 (27.6)

138 (100)

No

607 (72.4)

Epinephrine

Yes

760 (90.7)

113 (81.9)

No

78 (9.3)

25 (18.1)

Transported to hospital

Yes

249 (29.7)

78 (56.5)

Specialist centre

216 (86.7)

78 (56.5)

Non-specialist centre

33 (13.3)

0 (0)

Coronarography attempted

Yes

97 (40.8)*

59 (59.0)**

Number of occluded coronary arteries

0

14 (14.7)

8 (13.6)

1

23 (24.2)

16 (27.1)

2

19 (20.0)

13 (22.0)

3

39 (41.1)

22 (37.3)

Missing

2 (2.1)

0 (0)

Targeted temperature management

Performed

5 (2,1)*

1 (1.3)**

Indicated, but not performed

152 (63.9)*

52 (69.0)**

Not indicated

39 (16.4)*

18 (24.0)**

Missing

42 (17.6)*

4 (5.3)**