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Table 2 Demographic and clinical characteristics of out-of-hospital cardiac arrest patients

From: Effects of epinephrine and vasopressin on end-tidal carbon dioxide tension and mean arterial blood pressure in out-of-hospital cardiopulmonary resuscitation: an observational study

Characteristics

Epinephrine group (n = 452)

Vasopressin group (n = 146)

Males/femalesa

301/151

95/51

Age in yearsb

62.2 ± 17.8

60.8 ± 15.9

Bystander CPR, number (percentage)a

99/452 (22%)

31/146 (21%)

Time to initiation of CPR in minutesb

8.6 ± 5.3

7.8 ± 5.1

Average dose of epinephrine in milligramsb,c

7.6 ± 4.2

4.5 ± 2.7

Bicarbonate, number (percentage)a,c

172/452 (38%)

31/146 (21%)

Atropine, number (percentage)a,c

186/452 (41%)

42/146 (29%)

Dopamine, dobutamine, and norepinephrine, number (percentage)a,c

98/452 (22%)

15/146 (10%)

Resuscitation by medical team in minutesb,c

29.3 ± 9.4

18.7 ± 7.8

  1. aBy Fisher exact test; bby Wilcoxon rank sum test; cp < 0.05. CPR, cardiopulmonary resuscitation.
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Critical Care

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