Table 1 Characteristics of the study population at baseline and outcome

Mean age (years)

58 ± 14

53 ± 17 (15 to 76)

61 ± 12 (30 to 81)

0.12

SAPS II score

61 ± 19

49 ± 18 (13 to 75)

66 ± 17 (41 to 125)

0.01

Men (n)

31/40

8/13 (62%)

23/27 (85%)

0.23

Ventricular fibrillation

14

8 (57%)

6 (43%)

Asystole

23

4 (17%)

19 (83%)

Other pulseless electric activity

3

1 (33%)

2 (67%)

Temperature on admission to the emergency department (°C)

36 ± 1

36.1 ± 1.1 (33.8 to 38)

35.9 ± 1.1 (33.6 to 37.7)

0.86

Glasgow Coma Scale score

4 ± 1

4 ± 2 (3 to 7)

3 ± 1 (3 to 7)

0.20

Glucose on admission (mmol/l)

13.6 ± 5

14.6 ± 4.9 (9 to 24.4)

13.1 ± 5.1 (2.6 to 22.2)

0.55

Lactates on admission (mmol/l)

9.8 ± 6.4

8.4 ± 5.8 (2.3 to 19.1)

10.5 ± 6.6 (2.4 to 24.8)

0.20

Arterial pH on admission

7.25 ± 0.18

7.25 ± 0.15 (6.93 to 7.45)

7.25 ± 0.19 (6.84 to 7.54)

0.55

Estimated time of anoxia (min)

11 ± 9

7 ± 4 (0 to 14)

13 ± 9 (1 to 40)

0.03

Time from initiation of ACLS to ROSC (min)

16 ± 10

21 ± 12 (1 to 45)

14 ± 8 (1 to 35)

0.06

Time from ACLS to initiation of MIH (min)

98 ± 54

103 ± 50 (45 to 190)

96 ± 57 (55 to 300)

0.51

Time from initiation of MIH to achieving goal temperature (min)

187 ± 119

198 ± 88 (30 to 360)

181 ± 132 (30 to 600)

0.25