{"id":"https://openalex.org/W3206046544","doi":"https://doi.org/10.1136/bmjopen-2021-051409","title":"Characteristics of frequently attending children in hospital emergency departments: a systematic review","display_name":"Characteristics of frequently attending children in hospital emergency departments: a systematic review","publication_year":2021,"publication_date":"2021-10-01","ids":{"openalex":"https://openalex.org/W3206046544","doi":"https://doi.org/10.1136/bmjopen-2021-051409","mag":"3206046544","pmid":"https://pubmed.ncbi.nlm.nih.gov/34663662","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/8523960"},"language":"en","primary_location":{"id":"doi:10.1136/bmjopen-2021-051409","doi":"https://doi.org/10.1136/bmjopen-2021-051409","is_oa":true,"landing_page_url":"https://doi.org/10.1136/bmjopen-2021-051409","pdf_url":"https://bmjopen.bmj.com/content/bmjopen/11/10/e051409.full.pdf","source":{"id":"https://openalex.org/S79054089","display_name":"BMJ Open","issn_l":"2044-6055","issn":["2044-6055"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319945","host_organization_name":"BMJ","host_organization_lineage":["https://openalex.org/P4310319945"],"host_organization_lineage_names":["BMJ"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMJ Open","raw_type":"journal-article"},"volume":null,"type":"review","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://bmjopen.bmj.com/content/bmjopen/11/10/e051409.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012946911","display_name":"Geva Greenfield","orcid":"https://orcid.org/0000-0001-9779-2486","observed_orcids":["https://orcid.org/0000-0001-9779-2486"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Geva Greenfield","raw_affiliation_strings":["Primary Care and Public Health, School of Public Health, Imperial College London, London, UK"],"raw_orcid":"https://orcid.org/0000-0001-9779-2486","affiliations":[{"raw_affiliation_string":"Primary Care and Public Health, School of Public Health, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086683683","display_name":"Olivia Okoli","orcid":"https://orcid.org/0000-0002-8695-1880","observed_orcids":["https://orcid.org/0000-0002-8695-1880"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Olivia Okoli","raw_affiliation_strings":["Primary Care and Public Health, School of Public Health, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Primary Care and Public Health, School of Public Health, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031683902","display_name":"Harumi Yamamoto","orcid":"https://orcid.org/0000-0002-1112-3861","observed_orcids":["https://orcid.org/0000-0002-1112-3861"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Harumi Quezada-Yamamoto","raw_affiliation_strings":["Primary Care and Public Health, School of Public Health, Imperial College London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Primary Care and Public Health, School of Public Health, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076958280","display_name":"Mitch E Blair","orcid":"https://orcid.org/0000-0001-7442-0188","observed_orcids":["https://orcid.org/0000-0001-7442-0188"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mitch Blair","raw_affiliation_strings":["Primary Care and Public Health, School of Public Health, Imperial College London, London, UK"],"raw_orcid":"https://orcid.org/0000-0001-7442-0188","affiliations":[{"raw_affiliation_string":"Primary Care and Public Health, School of Public Health, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063565006","display_name":"Sonia K Saxena","orcid":"https://orcid.org/0000-0003-3787-2083","observed_orcids":["https://orcid.org/0000-0003-3787-2083"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sonia Saxena","raw_affiliation_strings":["Primary Care and Public Health, School of Public Health, Imperial College London, London, UK"],"raw_orcid":"https://orcid.org/0000-0003-3787-2083","affiliations":[{"raw_affiliation_string":"Primary Care and Public Health, School of Public Health, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015302801","display_name":"Azeem Majeed","orcid":"https://orcid.org/0000-0002-2357-9858","observed_orcids":["https://orcid.org/0000-0002-2357-9858"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Azeem Majeed","raw_affiliation_strings":["Primary Care and Public Health, School of Public Health, Imperial College London, London, UK"],"raw_orcid":"https://orcid.org/0000-0002-2357-9858","affiliations":[{"raw_affiliation_string":"Primary Care and Public Health, School of Public Health, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051710954","display_name":"Benedict W. J. Hayhoe","orcid":"https://orcid.org/0000-0002-2645-6191","observed_orcids":["https://orcid.org/0000-0002-2645-6191"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Benedict Hayhoe","raw_affiliation_strings":["Primary Care and Public Health, School of Public Health, Imperial College London, London, UK"],"raw_orcid":"https://orcid.org/0000-0002-2645-6191","affiliations":[{"raw_affiliation_string":"Primary Care and Public Health, School of Public Health, Imperial College London, London, UK","institution_ids":["https://openalex.org/I47508984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5012946911"],"corresponding_institution_ids":["https://openalex.org/I47508984"],"apc_list":{"value":1500,"currency":"GBP","value_usd":1839},"apc_paid":{"value":1500,"currency":"GBP","value_usd":1839},"fwci":0.7543,"has_fulltext":true,"cited_by_count":29,"citation_normalized_percentile":{"value":0.56913828,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"11","issue":"10","first_page":"e051409","last_page":"e051409"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11095","display_name":"Emergency and Acute Care Studies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11095","display_name":"Emergency and Acute Care Studies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11467","display_name":"Trauma and Emergency Care Studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11824","display_name":"Injury Epidemiology and Prevention","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/children","display_name":"children","score":0.5360000133514404},{"id":"https://openalex.org/keywords/sociodemographic-factors","display_name":"sociodemographic factors","score":0.7940000295639038},{"id":"https://openalex.org/keywords/clinical-characteristics","display_name":"clinical features","score":0.5889999866485596},{"id":"https://openalex.org/keywords/preschool-children","display_name":"preschool children","score":0.699999988079071},{"id":"https://openalex.org/keywords/primary-care-utilization","display_name":"primary care utilization","score":0.6380000114440918},{"id":"https://openalex.org/keywords/chronic-disease","display_name":"chronic disease","score":0.9440000057220459},{"id":"https://openalex.org/keywords/infection","display_name":"infection","score":0.7860000133514404},{"id":"https://openalex.org/keywords/gastroenteritis","display_name":"gastroenteritis","score":0.9990000128746033},{"id":"https://openalex.org/keywords/public-insurance","display_name":"public insurance","score":0.718999981880188},{"id":"https://openalex.org/keywords/health-system-policy","display_name":"health system policy","score":0.4020000100135803}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9201821088790894},{"id":"https://openalex.org/C2780724011","wikidata":"https://www.wikidata.org/wiki/Q1295316","display_name":"Emergency department","level":2,"score":0.6378436088562012},{"id":"https://openalex.org/C2778173179","wikidata":"https://www.wikidata.org/wiki/Q25339289","display_name":"Attendance","level":2,"score":0.6112745404243469},{"id":"https://openalex.org/C512399662","wikidata":"https://www.wikidata.org/wiki/Q3505712","display_name":"Family medicine","level":1,"score":0.5662673115730286},{"id":"https://openalex.org/C138816342","wikidata":"https://www.wikidata.org/wiki/Q189603","display_name":"Public health","level":2,"score":0.5279509425163269},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.5169874429702759},{"id":"https://openalex.org/C2984752397","wikidata":"https://www.wikidata.org/wiki/Q3259956","display_name":"Primary care","level":2,"score":0.46341222524642944},{"id":"https://openalex.org/C534262118","wikidata":"https://www.wikidata.org/wiki/Q177719","display_name":"Medical diagnosis","level":2,"score":0.4131150245666504},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.14190295338630676},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"score":0.12100550532341003},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D002648","descriptor_name":"Child","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002675","descriptor_name":"Child, Preschool","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004636","descriptor_name":"Emergency Service, Hospital","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006761","descriptor_name":"Hospitals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008483","descriptor_name":"Medical Assistance","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010507","descriptor_name":"Periodicity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011320","descriptor_name":"Primary Health Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":5,"locations":[{"id":"doi:10.1136/bmjopen-2021-051409","doi":"https://doi.org/10.1136/bmjopen-2021-051409","is_oa":true,"landing_page_url":"https://doi.org/10.1136/bmjopen-2021-051409","pdf_url":"https://bmjopen.bmj.com/content/bmjopen/11/10/e051409.full.pdf","source":{"id":"https://openalex.org/S79054089","display_name":"BMJ Open","issn_l":"2044-6055","issn":["2044-6055"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319945","host_organization_name":"BMJ","host_organization_lineage":["https://openalex.org/P4310319945"],"host_organization_lineage_names":["BMJ"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMJ Open","raw_type":"journal-article"},{"id":"pmid:34663662","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34663662","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMJ open","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:8523960","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC8523960/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMJ Open","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:da10465cd58a4a11b23fc3bb6e05937f","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/da10465cd58a4a11b23fc3bb6e05937f","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"BMJ Open, Vol 11, Iss 10 (2021)","raw_type":"article"},{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/91663","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10044/1/91663","pdf_url":null,"source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"7","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1136/bmjopen-2021-051409","doi":"https://doi.org/10.1136/bmjopen-2021-051409","is_oa":true,"landing_page_url":"https://doi.org/10.1136/bmjopen-2021-051409","pdf_url":"https://bmjopen.bmj.com/content/bmjopen/11/10/e051409.full.pdf","source":{"id":"https://openalex.org/S79054089","display_name":"BMJ Open","issn_l":"2044-6055","issn":["2044-6055"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319945","host_organization_name":"BMJ","host_organization_lineage":["https://openalex.org/P4310319945"],"host_organization_lineage_names":["BMJ"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMJ Open","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/systematic-review","display_name":"Systematic Review"}],"awards":[{"id":"https://openalex.org/G1558752435","display_name":"NIHR Senior Investigator Award","funder_award_id":"NIHR202425","funder_id":"https://openalex.org/F4320319990","funder_display_name":"National Institute for Health and Care Research"},{"id":"https://openalex.org/G255176850","display_name":null,"funder_award_id":"CL-2015-21-008","funder_id":"https://openalex.org/F4320319990","funder_display_name":"National Institute for Health and Care Research"},{"id":"https://openalex.org/G8534026738","display_name":null,"funder_award_id":"NIHR200180","funder_id":"https://openalex.org/F4320319990","funder_display_name":"National Institute for Health and Care Research"}],"funders":[{"id":"https://openalex.org/F4320319990","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08"},{"id":"https://openalex.org/F4320319994","display_name":"Department of Health and Social Care","ror":"https://ror.org/03sbpja79"},{"id":"https://openalex.org/F4320320283","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3206046544.pdf","grobid_xml":"https://content.openalex.org/works/W3206046544.grobid-xml"},"referenced_works_count":37,"referenced_works":["https://openalex.org/W1496703084","https://openalex.org/W1514283125","https://openalex.org/W1598602811","https://openalex.org/W1965434882","https://openalex.org/W1974868683","https://openalex.org/W2022743922","https://openalex.org/W2024919186","https://openalex.org/W2042386526","https://openalex.org/W2045193509","https://openalex.org/W2045869349","https://openalex.org/W2047763880","https://openalex.org/W2063491008","https://openalex.org/W2094738656","https://openalex.org/W2125690099","https://openalex.org/W2131596353","https://openalex.org/W2163583284","https://openalex.org/W2169205464","https://openalex.org/W2271869922","https://openalex.org/W2294866993","https://openalex.org/W2329075746","https://openalex.org/W2513607636","https://openalex.org/W2605117713","https://openalex.org/W2618352727","https://openalex.org/W2740282401","https://openalex.org/W2760497503","https://openalex.org/W2807071642","https://openalex.org/W2888990561","https://openalex.org/W2900666957","https://openalex.org/W2904705206","https://openalex.org/W2942992578","https://openalex.org/W2945604295","https://openalex.org/W2950980545","https://openalex.org/W2962185848","https://openalex.org/W2995749649","https://openalex.org/W3004718868","https://openalex.org/W3016371521","https://openalex.org/W3102320948"],"related_works":["https://openalex.org/W3009810554","https://openalex.org/W3102320948","https://openalex.org/W2024919186","https://openalex.org/W2000763749","https://openalex.org/W2904705206","https://openalex.org/W2740282401","https://openalex.org/W1496703084","https://openalex.org/W2413392271","https://openalex.org/W4386424958","https://openalex.org/W2045869349"],"abstract_inverted_index":{"OBJECTIVE:":[0],"To":[1],"summarise":[2],"the":[3,50,110,139],"literature":[4],"on":[5,181],"frequent":[6,77,96,121,130,164,176],"attendances":[7,54],"to":[8,102,119,128,174,190],"hospital":[9,33],"emergency":[10],"departments":[11],"(EDs)":[12],"and":[13,16,47,69,135,145,184],"describe":[14],"sociodemographic":[15],"clinical":[17],"characteristics":[18,170],"of":[19,52,71,132,154],"children":[20,161,183],"who":[21,94,162],"attend":[22],"EDs":[23,34],"frequently.":[24,35],"SETTING:":[25],"Hospital":[26],"EDs.":[27],"PARTICIPANTS:":[28],"Children":[29,93],"<21":[30],"years,":[31],"attending":[32],"PRIMARY":[36],"OUTCOME":[37],"MEASURES:":[38],"Outcomes":[39],"measures":[40],"were":[41,48,76,95,99,116,143,163],"defined":[42,81],"separately":[43],"in":[44,171,188],"each":[45],"study,":[46],"predominantly":[49],"number":[51],"ED":[53,74,97,124,165],"per":[55,86],"year.":[56],"RESULTS:":[57],"We":[58],"included":[59,150],"21":[60],"studies":[61,80],"representing":[62],"6":[63],"513":[64],"627":[65],"children.":[66],"Between":[67],"0.3%":[68],"75%":[70],"all":[72],"paediatric":[73],"users":[75,98,125,131,166],"users.":[78],"Most":[79],"four":[82],"or":[83],"more":[84,100,117,126],"visits":[85],"year":[87],"as":[88],"a":[89,151],"'frequent":[90],"ED'":[91],"usage.":[92],"likely":[101,118,127],"be":[103,120,129],"less":[104],"than":[105],"5":[106],"years":[107],"old.":[108],"In":[109],"USA,":[111],"patients":[112],"with":[113],"public":[114],"insurance":[115],"attenders.":[122],"Frequent":[123],"primary":[133,186,191],"care":[134,187,192],"have":[136,167],"long-term":[137],"conditions;":[138],"most":[140],"common":[141],"diagnoses":[142],"infections":[144],"gastroenteritis.":[146],"CONCLUSIONS:":[147],"The":[148],"review":[149],"wide":[152],"range":[153],"information":[155],"across":[156],"various":[157],"health":[158],"systems,":[159],"however,":[160],"some":[168],"universal":[169],"common.":[172],"Policies":[173],"reduce":[175],"attendance":[177],"might":[178],"usefully":[179],"focus":[180],"preschool":[182],"supporting":[185],"responding":[189],"oriented":[193],"conditions.":[194]},"counts_by_year":[{"year":2026,"cited_by_count":9},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2021-10-25T00:00:00"}