Table 1 Characteristics of included studies
References | Authors | Year of Publication | Country | Study Design | Population | Sample Size | Data source | Definition of Frequent ED use |
|---|---|---|---|---|---|---|---|---|
[27] | Franchi et al. | 2016 | Italy | NM Observational | Community-dwelling subjects aged 65 years or older managed by general practitioners | 1,949,020 | Administrative database | 4 or more ED visits within a year |
[23] | Lishner et al. | 2000 | USA | Retrospective study | Washington State residents aged 65 years or older who were Medicare beneficiaries in 1994 and did not belong to a capitated health plan | 354,782 | Administrative database | Patients with 5 or more ED outpatient visits |
[20] | McCusker et al. | 2000 | Canada | Cohort study | Patients aged 65 years or older who visited the EDs in one of Montreal’s four hospitals. | 1122 | Administrative database | 1) 3 or more episodes of ED care during a 6-month period |
[21] | McCusker et al. | 1997 | Canada | Cohort study | Patients aged 75 or older who visited an ED in a Montreal hospital and those whose first visit was during the index period, and who were aged 65 or older | Assessment sample113 Retrospective survey 4466 | Questionnaire Administrative database | Repeat visits within 90 days |
[26] | Naughton et al. | 2010 | Ireland | NM Observational | Elderly patients from EDs at Dublin’s two teaching hospitals | 306 | Questionnaire | One or more ED visits within a 6-month period |
[25] | Parboosing et al. | 1987 | Canada | Cross-sectional | Elderly patients of the ED of a Calgary hospital | 75 | Questionnaire | Number of ED visits within a 6-month period |
[24] | Rosenblatt et al. | 2000 | USA | Retrospective study | Washington State residents aged 65 years or older who were Medicare beneficiaries and did not belong to a capitated healthcare plan | 354,782 | Administrative database | 5 or more outpatient ED visits within a 12-month period |
[22] | Sona et al. | 2012 | Italy | Prospective study | Patients aged 65 years or older from an ED in a Turin hospital | 1632 | Questionnaire | 2 or more ED visits within a 12-month period |