Evidence map›Paper›PMID 21414221›Full record

ArticleBMC cardiovascular disorders2011

Variations in cardiovascular disease under-diagnosis in England: national cross-sectional spatial analysis.

Michael Soljak, Edgar Samarasundera, Tejal Indulkar, Hannah Walford, Azeem Majeed

Open access · goldAbstract readComparative Study
In one paragraph

Article in BMC cardiovascular disorders, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 1 pooled it
5.3field-weighted citation impact, top 4% 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

25 citing papers in PubMed, 1 synthesis or guideline pooled it, 50 citations in OpenAlex.

  1. Pooled it
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  14. The spatial structure of chronic morbidity: evidence from UK census returns.International journal of health geographics · 2016
    Article
  15. Analysis of the spatial variation of hospitalization admissions for hypertension disease in Shenzhen, China.International journal of environmental research and public health · 2014
    Article
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  19. Are there enough GPs in England to detect hypertension and maintain access? A cross-sectional study.The British journal of general practice : the journal of the Royal College of General Practitioners · 2013
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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

5 authors at 3 institutions in 1 country.

Michael SoljakDepartment of Primary Care & Public Health, Imperial College London, London, UK. m.soljak@imperial.ac.uk
Edgar Samarasundera
Tejal Indulkar
Hannah Walford
Azeem Majeed
Charing Cross Hospital · GBImperial College London · GBMRC Biostatistics Unit · GB

Funding

Department of Health
6 · The paper itself

Abstract

backgroundThere is under-diagnosis of cardiovascular disease (CVD) in the English population, despite financial incentives to encourage general practices to register new cases. We compared the modelled (expected) and diagnosed (observed) prevalence of three cardiovascular conditions- coronary heart disease (CHD), hypertension and stroke- at local level, their geographical variation, and population and healthcare predictors which might influence diagnosis.

methodsCross-sectional observational study in all English local authorities (351) and general practices (8,372) comparing model-based expected prevalence with diagnosed prevalence on practice disease registers. Spatial analyses were used to identify geographic clusters and variation in regression relationships.

resultsA total of 9,682,176 patients were on practice CHD, stroke and transient ischaemic attack, and hypertension registers. There was wide spatial variation in observed: expected prevalence ratios for all three diseases, with less than five per cent of expected cases diagnosed in some areas. London and the surrounding area showed statistically significant discrepancies in observed: expected prevalence ratios, with observed prevalence much lower than the epidemiological models predicted. The addition of general practitioner supply as a variable yielded stronger regression results for all three conditions.

conclusionsDespite almost universal access to free primary healthcare, there may be significant and highly variable under-diagnosis of CVD across England, which can be partially explained by persistent inequity in GP supply. Disease management studies should consider the possible impact of under-diagnosis on population health outcomes. Compared to classical regression modelling, spatial analytic techniques can provide additional information on risk factors for under-diagnosis, and can suggest where healthcare resources may be most needed.

Indexed as

Models, StatisticalCardiovascular DiseasesCross-Sectional StudiesEnglandFemaleHealth SurveysHumansHypertensionMaleStroke

Identifiers

PMID21414221
PMCPMC3070686
OpenAlexW2146547613

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.