Table 1 Characteristics and resuscitation outcome in patients with OHPCA and drowning victims in cardiac arrest

Age

46.5 ± 21.4

62.5 ± 15.8

0.01^a

Gender (male)/all

22 (69%)

359 (68%)

0. 98^b

Bystander

9 (28%)

343 (65%)

0.03^b

Bystander CPR

11 (34%)

105 (20%)

0.39^b

Initial rhythm ASY+PEA/VF+VT

29/3

297/231

<0.0001^b

Response time (min)

Call to team arrival (min)

11 (4–24)

6 (1–14)

0.001^a

Arrest to team arrival

17 (9–28)

9 (4–17)

0.001^a

Location of arrest at home/public place

3/29

275/253

<0.0001^b

PETCO₂ (mmHg)

Initial

53.2 ± 16.8

15.8 ± 8.3

<0.0001^a

After 1 min of CPR

28.9 ± 6.3

25.9 ± 5.8

0.78^a

Average

43.5 ± 13.8

16.5 ± 8.2

0.002^a

Final

28.6 ± 8.6

26.3 ± 9.4

0.86^a

Alcohol, n (%)

12 (38%)

61 (12%)

0.0002^b

Initial core temperature (°C)

32.8 ± 2.2

35.4 ± 1.9

0.02^a

Suicide

22 (69%)

2 (0.4%)

<0.0001^b

ROSC

ROSC in the field (%)

21 (65%)

301 (57%)

0.33^b

ROSC with admission to the hospital (%)

19 (60%)

253 (48%)

0.27^b

Survived (hospital discharge) (%)

14 (44%)

116 (22%)

0.01^b

Neurological outcome of survivers (CPC), n (%)

CPC 1 + CPC 2

12 (85%)

71 (61%)

0.08^b

CPC 3 + CPC 4

2 (15%)

39 (34%)

0.22^b

CPC 5

–

6 (5%)