Table 2 In-hospital treatment and findings in the study patients

Dose of epinephrine (mg)

1 (0 to 3)

1 (0 to 2)

0.54

Emergency coronary angiography

68 (62)

34 (12)

<0.001

Primary percutaneous coronary intervention

33 (30)

16 (6)

<0.001

Use of intra-aortic balloon pump

65 (59)

22 (8)

<0.001

Use of extracorporeal life-support

27 (25)

13 (4)

<0.001

Time interval from return of spontaneous circulation to target temperature (minutes)

149 (104 to 262)

Protocol of duration of cooling/rewarming 24 hours/12 hours

40 (36)

Duration of cooling (hours)

47 (24 to 49)

Duration of rewarming (hours)

47 (17 to 57)

Duration of hospital stay (days)

17 (5 to 29)

1 (1 to 3)

<0.001

Cause of death within 30 days

   Hemodynamic instability

21 (36)

90 (37)

   Withdrawal of intensive therapy

18 (32)

85 (35)

   Multiple organ failure

15 (26)

10 (4)

   Pneumonia

3 (6)

12 (5)

   Other

0 (0)

46 (19)