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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