Evidence map›Paper›PMID 30765384›Full record

ArticleBMJ evidence-based medicine2019

Determinants of inter-practice variation in ADHD diagnosis and stimulant prescribing: cross-sectional database study of a national surveillance network.

Uy Hoang, Anthony C James, Harshana Liyanage, Simon Jones, Mark Joy, Mitch Blair, Michael Rigby, Simon de Lusignan

Open access · hybridAbstract read
In one paragraph

Article in BMJ evidence-based medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 2 pooled it
1.2field-weighted citation impact, top 24% of its field
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

13 citing papers in PubMed, 2 syntheses or guidelines pooled it, 19 citations in OpenAlex.

  1. Pooled it
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  5. Observational
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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

8 authors at 6 institutions in 2 countries.

Uy HoangDepartment of Clinical and Experimental medicine, University of Surrey, Guildford, UK.
Anthony C JamesDepartment of Psychiatry, University of Oxford, Warneford Hospital, Oxford, UK.
Harshana LiyanageDepartment of Clinical and Experimental medicine, University of Surrey, Guildford, UK.
Simon JonesDepartment of Clinical and Experimental medicine, University of Surrey, Guildford, UK.
Mark JoyDepartment of Clinical and Experimental medicine, University of Surrey, Guildford, UK.
Mitch BlairDepartment of Paediatrics and Child Health, Northwick Park Hospital, Harrow, UK.
Michael RigbySection of Paediatrics, Faculty of Medicine, Imperial College London, London, UK.
Simon de LusignanDepartment of Clinical and Experimental medicine, University of Surrey, Guildford, UK.
University of Surrey · GBImperial College London · GBNew York University · USNorthwick Park Hospital · GBRoyal College of General Practitioners · GBWarneford Hospital · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Early recognition, identification and treatment of children with attention deficit hyperactivity disorder (ADHD) can reduce detrimental outcomes and redirect their developmental trajectory. We aimed to describe variations in age of ADHD diagnosis and stimulant prescribing among general practitioner practices in a nationwide network and identify child, parental, household and general practice factors that might account for these variations. Cross-sectional study of children aged under 19 years registered within a general practice in the Royal College of General Practitioners (RCGP) Research and Surveillance Centre (RSC) network in 2016, RCGP RSC has a household key allowing parent and child details to be linked. Data from 158 general practices and 353 774 children under 19 were included. The mean age of first ADHD diagnosis was 10.5 years (95% CI 10.1 to 10.9, median 10, IQR 9.0-11.9) and the mean percentage of children with ADHD prescribed stimulant medications among RCGP RSC practices was 41.2% (95% CI 38.7 to 43.6). There was wide inter-practice variation in the prevalence of diagnosis of ADHD, the age of diagnosis and stimulant prescribing. ADHD diagnosis is more likely to be made later in households with a greater number of children and with a larger age difference between adults and children. Stimulant prescribing for children with ADHD was higher in less deprived practices. Older parents and families with more children fail to recognise ADHD and may need more support. Practices in areas of higher socio-economic status are associated with greater prescribing of stimulants for children with ADHD.

Indexed as

Practice Patterns, Physicians'AdolescentAttention Deficit Disorder with HyperactivityCentral Nervous System StimulantsChildChild, PreschoolCross-Sectional StudiesDatabases, FactualFemaleHumansMaleUnited KingdomCentral Nervous System Stimulantsmental healthprimary care

Identifiers

PMID30765384
PMCPMC6678046
OpenAlexW2911344776

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Registered trials

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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.