Evidence map›Paper›PMID 33653768›Full record

ArticleCMAJ open

Characteristics of frequent emergency department users in British Columbia, Canada: a retrospective analysis.

Jessica Moe, Fiona O'Sullivan, Margaret J McGregor, Michael J Schull, Kathryn Dong, Brian R Holroyd, Eric Grafstein, Corinne M Hohl, Johanna Trimble, Kimberlyn M McGrail

Abstract read
In one paragraph

Article in CMAJ open. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed.

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  8. Frequent callers contacting the Norwegian national emergency medical number 113: a retrospective study.Scandinavian journal of trauma, resuscitation and emergency medicine · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Jessica MoeDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC jessica.moe@ubc.ca.
Fiona O'SullivanDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Margaret J McGregorDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Michael J SchullDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Kathryn DongDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Brian R HolroydDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Eric GrafsteinDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Corinne M HohlDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Johanna TrimbleDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.
Kimberlyn M McGrailDepartments of Emergency Medicine (Moe, O'Sullivan, Grafstein, Hohl) and Family Practice (McGregor), University of British Columbia; Department of Emergency Medicine (Moe, Hohl), Vancouver General Hospital, Vancouver, BC; ICES Central (Schull); Department of Medicine (Schull), University of Toronto, Toronto, Ont.; Department of Emergency Medicine (Dong, Holroyd), University of Alberta; Emergency Strategic Clinical Network (Holroyd), Alberta Health Services, Edmonton, Alta.; Patients for Patient Safety Canada (Trimble), Roberts Creek, BC; School of Population and Public Health (McGrail), University of British Columbia; Population Data BC (McGrail), Vancouver, BC.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundFrequent emergency department users disproportionately account for rising health care costs. We aimed to characterize frequent emergency department users in British Columbia, Canada.

methodsWe performed a retrospective analysis using health administrative databases. We included patients aged 18 years or more with at least 1 emergency department visit from 2012/13 to 2015/16, linked to hospital, physician billing, prescription and mortality data. We used annual emergency department visits made by the top 10% of patients to define frequent users (≥ 3 visits/year).

resultsOver the study period, 13.8%-15.3% of patients seen in emergency departments were frequent users. We identified 205 136 frequent users among 1 196 353 emergency department visitors. Frequent users made 40.3% of total visits in 2015/16. From 2012/13 to 2015/16, their visit rates per 100 000 BC population showed a relative increase of 21.8%, versus 13.1% among all emergency department patients. Only 1.8% were frequent users in all study years. Mental illness accounted for 8.2% of visits among those less than 60 years of age, and circulatory or respiratory diagnoses for 13.3% of visits among those aged 60 or more. In 2015/16, frequent users were older and had lower household incomes than nonfrequent users; the sex distribution was similar. Frequent users had more prescriptions (median 9, interquartile range [IQR] 5-14 v. 1, IQR 1-3), primary care visits (median 15, IQR 9-27 v. 7, IQR 4-12) and hospital admissions (median 2, IQR 1-3 v. 1, IQR 1-1), and higher 1-year mortality (10.2% v. 3.5%) than nonfrequent users.

interpretationEmergency department use by frequent users increased in BC between 2012/13 and 2015/16; these patients were heterogenous, had high mortality and rarely remained frequent users over multiple years. Our results suggest that interventions must account for heterogeneity and address triggers of frequent use episodes.

Indexed as

MortalityAdolescentAdultAgedAge FactorsBritish ColumbiaCardiovascular DiseasesEmergency Service, HospitalFemaleHealth Care CostsHospitalizationHumansIncomeMaleMental DisordersMiddle Aged

Identifiers

PMID33653768
PMCPMC8034376

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.