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Table 5 Characteristics of ICU admissions due to cardiac arrest and ICU readmission service*

From: Introduction of Medical Emergency Teams in Australia and New Zealand: a multi-centre study

Outcome measure

First year (baseline), mean (SD)

Second year (follow-up), mean (SD)

P value

Cardiac arrests admitted from ward to ICU per year

5.0 (4.3)

4.2 (3.9)

0.33

Rate of admitted ward cardiac arrests (events per 1,000 ICU admissions)

9.0 (6.1)

7.1 (7.1)

0.30

ICU readmissions per year following ICU discharge

23.2 (22.1)

28.2 (28.1)

0.08

ICU readmission rate (events per 1,000 ICU admission)

36.1 (19.2)

37.2 (19.1)

0.99

Outcomes

Percentage survival in first year

Percentage survival in second year

P value

Cardiac arrests

29.4 (28.3)

38.8 (24.9)

0.35

ICU readmissions

87.3 (13.9)

88.4 (8.1)

0.77

  1. ICU, intensive care unit; MET, Medical Emergency Team; SD, standard deviation.
  2. *Data from the baseline 12 months and follow-up 12 months in 16 hospitals that had not introduced an MET service