Inclusion and exclusion criteria
Acute-care wards with at least 150 admissions/year
Use of CPOE
Emergency room(s)
Outpatient clinics
Overflow wards
Absence of a ‘matchable’ ward regarding specialty and baseline antibiotic use
Haematopoietic stem cell transplant wards
ICU
All physicians involved in antibiotic prescribing decisions in the participating wards
None
All patients hospitalised in the participating wards
CPOE, computerised physician order entry; ICU, intensive care unit.