Published definitions of frequent users of EDs
Authors | Country | Definition* |
---|---|---|
*Minimum attendances per year unless otherwise stated. | ||
Lucas and Sanford4 | USA | 2 in the previous month or 4 in the previous year |
Zuckerman and Shen13 | USA | 3 |
Genell Andren and Rosenqvist2 | Sweden | 4 |
Hansagi et al7 | Sweden | 4 |
Olsson and Hansagi8 | Sweden | 4 |
Byrne et al11 | Ireland | 4 |
Sun et al12 | USA | 4 |
Mandelberg et al1 | USA | 5 |
Williams et al9 | UK | 7 |
Kne et al3 | USA | 11 |
Chan and Ovens10 | Canada | 12 |
Lynch and Greave5 | UK | 6 in 6 months |
Pope et al6 | Canada | Several attendances and potential for heavy future use |