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. 2014 Jun 10;2014(6):CD009235. doi: 10.1002/14651858.CD009235.pub3
Participating site country (ies):  
Academic hospital  
Non‐teaching hospital  
Not reported  
Urban  
Regional  
Rural  
Mixed ICU  
MICU  
SICU  
Closed ICU structure  
Open ICU structure  
Not reported  
Nurse staffing for vent pts. 1:1
1:2
1:3
1:4
Not reported
Physician staffing (describe)
Not reported