Evidence map›Paper›PMID 33234512›Full record

ArticleBJGP open2021

Concordance in the recording of stroke across UK primary and secondary care datasets: a population-based cohort study.

Ann Morgan, Sarah-Jo Sinnott, Liam Smeeth, Caroline Minassian, Jennifer Quint

Abstract read
In one paragraph

Article in BJGP open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

  1. Article
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  5. Article
  6. Observational
  7. Stroke incidence in heart failure and atrial fibrillation: a population-based retrospective cohort study.The British journal of general practice : the journal of the Royal College of General Practitioners · 2025
    Article
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  12. 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

5 authors.

Ann MorganDepartment of Occupational Medicine and Public Health, National Heart and Lung Institute, Imperial College London, London, UK a.morgan15@imperial.ac.uk.ORCID https://orcid.org/0000-0003-4794-0860
Sarah-Jo SinnottFaculty of Epidemiology & Population Health, London School of Hygiene and Tropical Medicine, London, UK.
Liam SmeethFaculty of Epidemiology & Population Health, London School of Hygiene and Tropical Medicine, London, UK.
Caroline MinassianFaculty of Epidemiology & Population Health, London School of Hygiene and Tropical Medicine, London, UK.
Jennifer QuintDepartment of Occupational Medicine and Public Health, National Heart and Lung Institute, Imperial College London, London, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPrevious work has demonstrated that the recording of acute health outcomes, such as myocardial infarction (MI), may be suboptimal in primary healthcare databases.

aimTo assess the completeness and accuracy of the recording of stroke in UK primary care. DESIGN &

settingA population-based longitudinal cohort study.

methodCases of stroke were identified separately in Clinical Practice Research Datalink (CPRD) primary care records and linked Hospital Episode Statistics (HES). The recording of events in the same patient across the two datasets was compared. The reliability of strategies to identify fatal strokes in primary care and hospital records was also assessed.

resultsOf the 75 674 stroke events that were identified in either CPRD or HES data during the period of the study, 54 929 (72.6%) were recorded in CPRD and 51 013 (67.4%) were recorded in HES. Two-fifths (

conclusionThe completeness and accuracy of stroke recording is improved by the use of linked hospital and primary care records. For studies that have a time-sensitive research question, the use of linked, as opposed to stand-alone, CPRD data is strongly recommended.

Indexed as

Clinical Practice Research Datalinkelectronic health recordsprimary health carestroke

Identifiers

PMID33234512
PMCPMC8170615

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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.