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dc.contributor.authorSayal, Kapil
dc.date.accessioned2023-11-20T09:11:39Z
dc.date.available2023-11-20T09:11:39Z
dc.date.issued2023
dc.identifier.citationPrasad, V., Rezel-Potts, E., White, P., Downs, J., Boddy, N., Sayal, K. & Sonuga-Barke, E. (2023). Use of healthcare services before diagnosis of attention-deficit/hyperactivity disorder: A population-based matched case-control study. Archives of Disease in Childhood, DOI: 10.1136/archdischild-2023-325637.en_US
dc.identifier.other10.1136/archdischild-2023-325637
dc.identifier.urihttp://hdl.handle.net/20.500.12904/17883
dc.description.abstractOBJECTIVE: To compare use of healthcare services and reasons for attendance by children and young people (CYP) with attention-deficit/hyperactivity disorder (ADHD) versus non-ADHD controls. DESIGN: Population-based matched case-control study. SETTING: English primary care electronic health records with linked hospital records from the Clinical Practice Research Datalink, 1998-2015. PARTICIPANTS: 8127 CYP with an ADHD diagnosis aged 4-17 years at the time of diagnosis and 40 136 non-ADHD controls matched by age, sex and general practitioner (GP) practice. MAIN OUTCOME MEASURES: Medical diagnoses, prescriptions, hospital admissions and hospital procedures in the 2 years before diagnosis (or the index date for controls). RESULTS: CYP with ADHD attended healthcare services twice as often as controls (rate ratios: GP: 2.0, 95% CI=2.0, 2.1; hospital 1.8, 95% CI=1.8, 1.9). CYP with ADHD attended their GP, received prescriptions and were admitted to hospital for a wide range of reasons. The strongest association for GP attendances, comparing CYP with versus without ADHD, was for 'mental and behavioural disorders' (OR=25.2, 95% CI=23.3, 27.2). Common reasons for GP attendance included eye, ear, nose, throat, oral (OR=1.5, 95% CI=1.4, 1.5) and conditions such as asthma (OR=1.3, 95% CI=1.3, 1.4) or eczema (OR=1.2, 95% CI=1.0, 1.3). CONCLUSIONS: Two years before diagnosis, CYP with ADHD attended healthcare services twice as often as CYP without. CYP with ADHD had increased rates of physical conditions, such as asthma and eczema. These contacts may be an opportunity for earlier recognition and diagnosis of ADHD.
dc.description.urihttps://adc.bmj.com/content/early/2023/10/22/archdischild-2023-325637en_US
dc.formatFull text uploaded
dc.language.isoenen_US
dc.subjectAttention deficit disorder with hyperactivityen_US
dc.subjectChild psychiatryen_US
dc.subjectPrimary health careen_US
dc.titleUse of healthcare services before diagnosis of attention-deficit/hyperactivity disorder: A population-based matched case-control studyen_US
dc.typeArticleen_US
rioxxterms.funderDefault funderen_US
rioxxterms.identifier.projectDefault projecten_US
rioxxterms.versionNAen_US
rioxxterms.typeJournal Article/Reviewen_US
refterms.dateFOA2024-02-07T14:32:55Z
refterms.panelUnspecifieden_US
refterms.dateFirstOnline2023-10-30
atmire.accessrights© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY. Published by BMJ. This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See:
html.description.abstractOBJECTIVE: To compare use of healthcare services and reasons for attendance by children and young people (CYP) with attention-deficit/hyperactivity disorder (ADHD) versus non-ADHD controls. DESIGN: Population-based matched case-control study. SETTING: English primary care electronic health records with linked hospital records from the Clinical Practice Research Datalink, 1998-2015. PARTICIPANTS: 8127 CYP with an ADHD diagnosis aged 4-17 years at the time of diagnosis and 40 136 non-ADHD controls matched by age, sex and general practitioner (GP) practice. MAIN OUTCOME MEASURES: Medical diagnoses, prescriptions, hospital admissions and hospital procedures in the 2 years before diagnosis (or the index date for controls). RESULTS: CYP with ADHD attended healthcare services twice as often as controls (rate ratios: GP: 2.0, 95% CI=2.0, 2.1; hospital 1.8, 95% CI=1.8, 1.9). CYP with ADHD attended their GP, received prescriptions and were admitted to hospital for a wide range of reasons. The strongest association for GP attendances, comparing CYP with versus without ADHD, was for 'mental and behavioural disorders' (OR=25.2, 95% CI=23.3, 27.2). Common reasons for GP attendance included eye, ear, nose, throat, oral (OR=1.5, 95% CI=1.4, 1.5) and conditions such as asthma (OR=1.3, 95% CI=1.3, 1.4) or eczema (OR=1.2, 95% CI=1.0, 1.3). CONCLUSIONS: Two years before diagnosis, CYP with ADHD attended healthcare services twice as often as CYP without. CYP with ADHD had increased rates of physical conditions, such as asthma and eczema. These contacts may be an opportunity for earlier recognition and diagnosis of ADHD.en_US
rioxxterms.funder.project94a427429a5bcfef7dd04c33360d80cden_US


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