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Table 1 General characteristics of expected patient cohort.

From: Trial design: Computer guided normal-low versus normal-high potassium control in critically ill patients: Rationale of the GRIP-COMPASS study

 

Thoracic ICU

 

n = 500

Age (years), median (IQR)

66 (57-74)

Male sex

69%

APACHE II, median (IQR)

14 (10-18)

Reason for admission

 

   Cardiac surgery

75%

   Cardiac arrest

9%

   Other surgery

10%

   Medical

5%

   Miscellaneous

3%

post-operative AFF*

50%

In-hospital mortality

8%

  1. *after cardiac surgery
  2. Baseline characteristics of a recent cohort of 500 patients that were admitted to the thoracic ICU, to provide an impression of the expected patient population in the GRIP-COMPASS trial. The incidence of AFF was observed in a subgroup of 150 consecutive cardiac surgery patients. Abbreviations used in table: ICU intensive care unit; IQR interquartile range; APACHE II acute physiology and chronic health evaluation II score; AFF atrial fibrillation and atrial flutter.