Table 2 Patients’ characteristics in subgroups

ROSC n = 7

nROSC n = 6

P

ROSC n = 7

nROSC n = 7

P

Age, (mean ± CI*)

69.6 (53-86.2)

60.5 (52.7–68.3)

0.44

62 (38.7–85.3)

77 (62.2–91.8)

0.33

Male, n( %*)

4 (66.7)

3 (50)

1.00

5 (100)

4 (66.7)

0.46

Bystander CPR, n( %)

4 (57.1)

6 (100)

0.19

6 (85.7)

6 (85.7)

1.00

No flow time, min (mean ± CI)

0.8 (0.4–1.2)

1.3 (0.7–1.9)

0.20

1.2 (0,3-2.1)

2.8 (0-5.7)

0.36

Shockable rhythm, n (%)

2 (28.6)

2 (33.3)

1.00

5 (71.4)

2 (28.6)

0.29

Time to ambulance, min (mean ± CI)

12.8 (9.9–15.7)

7.8 (5-10.6)

0.03

10.6 (8-13.2)

11.4 (7.3–15.5)

0.73

Time to hospital, min (mean ± CI)

43.3 (32-54.6)

50.0 (42.5–57.5)

0.29

47.3 (35.2–59.4)

50.2 (43.2–57.2)

0.71

Adrenalin, mg (mean ± CI)

2.7 (1.2–4.2)

5.5 (3.5–7.5)

0.06

5 (3–7)

4.9 (2.6–7.2)

0.93

Dilatated pupils, n (%)

3 (42.9)

4 (66.7)

0.59

5 (71.4)

6 (100)

0.46

rSO2, %(mean ± CI**)

54 (40.3–67.7)

28 (12.3–43.7)

0.04

50 (46.5–53.5)

41 (36.3–45.7)

0.02

ETCO2, kPa (mean ± CI***)

5.1 (3.3–6.9)

4.6 (2.8–6.4)

0.68

3.3 (2.8–3.8)

2.6 (1.9–3.3)

0.19