Type of hospital | |
Academic/tertiary referral centre=24 | |
Community=1 | |
Mixed=1 | |
Unspecified=3 | |
Country of origin | Type of ICU studied |
USA=17 | Medical ICU=2 |
UK=4 | Surgical ICU=1 |
Australia=1 | Paediatric ICU=4 |
Canada=2 | Neonatal ICU=1 |
Other=5 | Mixed ICU=6 |
Other=2 | |
>1 of above=11 | |
Unspecified=2 | |
No of centres in each study | Length of study |
1=22 | ≤1 month=9 |
2=3 | >1–12 months=14 |
≥3=4 | >1 year=6 |
Method of error detection | No of ICU beds studied |
Observation=6 | 1–10=2 |
Prescription review=7 | 11–20=10 |
Multifaceted=7 | 21–30=3 |
Voluntary reporting=5 | >30=7 |
Trigger tool=3 | Unspecified=7 |
Two methods compared=1 |
ICU, intensive care unit.