Evidence map›Paper›PMID 34635577›Full record

ArticleOpen heart2021

Comparing the performance of the novel FAMCAT algorithms and established case-finding criteria for familial hypercholesterolaemia in primary care.

Nadeem Qureshi, Ralph K Akyea, Brittany Dutton, Jo Leonardi-Bee, Steve E Humphries, Stephen Weng, Joe Kai

Registry-linked trialOpen access · goldAbstract readComparative StudyMulticenter StudyValidation Study
In one paragraph

Article in Open heart, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03934320 (Improving Identification of Familial Hypercholesterolaemia in Primary Care Using a New Case Ascertainment Tool), which is not on this map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
2.5field-weighted citation impact, top 10% 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.

NCT03934320 naunknown statusnot on this map

Improving Identification of Familial Hypercholesterolaemia in Primary Care Using a New Case Ascertainment Tool (FAMCAT)

TypeinterventionalSponsorUniversity of NottinghamRan2017 to 2020Enrolled400ConditionsFamilial HypercholesterolemiaArmsFAMCAT
3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 15 citations in OpenAlex.

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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

7 authors at 3 institutions in 1 country.

Nadeem Qureshi *Primary Care Stratified Medicine (PRISM) Research Group, School of Medicine, University of Nottingham, Nottingham, UK nadeem.qureshi@nottingham.ac.uk.ORCID 0000-0003-4909-0644
Ralph K Akyea *Primary Care Stratified Medicine (PRISM) Research Group, School of Medicine, University of Nottingham, Nottingham, UK.ORCID 0000-0003-4529-8237
Brittany DuttonPrimary Care Stratified Medicine (PRISM) Research Group, School of Medicine, University of Nottingham, Nottingham, UK.ORCID 0000-0001-5146-4911
Jo Leonardi-BeePrimary Care Stratified Medicine (PRISM) Research Group, School of Medicine, University of Nottingham, Nottingham, UK.
Steve E HumphriesCentre for Cardiovascular Genetics, Institute of Cardiovascular Science, University College London, London, UK.
Stephen Weng *Cardiovascular and Metabolism, Janssen Research & Development, High Wycombe, UK.ORCID 0000-0002-5281-9590
Joe Kai *Primary Care Stratified Medicine (PRISM) Research Group, School of Medicine, University of Nottingham, Nottingham, UK.ORCID 0000-0001-9040-9384
University of Nottingham · GBJanssen (United Kingdom) · GBUniversity College London · GB

Funding

Medical Research Council MR/T017384/1
6 · The paper itself

Abstract

objectiveFamilial hypercholesterolaemia (FH) is a common inherited disorder causing premature coronary heart disease (CHD) and death. We have developed the novel Familial Hypercholesterolaemia Case Ascertainment Tool (FAMCAT 1) case-finding algorithm for application in primary care, to improve detection of FH. The performance of this algorithm was further improved by including personal history of premature CHD (FAMCAT 2 algorithm). This study has evaluated their performance, at 95% specificity, to detect genetically confirmed FH in the general population. We also compared these algorithms to established clinical case-finding criteria.

methodsProspective validation study, in 14 general practices, recruiting participants from the general adult population with cholesterol documented. For 260 participants with available health records, we determined possible FH cases based on FAMCAT thresholds, Dutch Lipid Clinic Network (DLCN) score, Simon-Broome criteria and recommended cholesterol thresholds (total cholesterol >9.0 mmol/L if ≥30 years or >7.5 mmol/L if <30 years), using clinical data from electronic and manual extraction of patient records and family history questionnaires. The reference standard was genetic testing. We examined detection rate (DR), sensitivity and specificity for each case-finding criteria.

resultsAt 95% specificity, FAMCAT 1 had a DR of 27.8% (95% CI 12.5% to 50.9%) with sensitivity of 31.2% (95% CI 11.0% to 58.7%); while FAMCAT 2 had a DR of 45.8% (95% CI 27.9% to 64.9%) with sensitivity of 68.8% (95% CI 41.3% to 89.0%). DLCN score ≥6 points yielded a DR of 35.3% (95% CI 17.3% to 58.7%) and sensitivity of 37.5% (95% CI 15.2% to 64.6%). Using recommended cholesterol thresholds resulted in DR of 28.0% (95% CI 14.3% to 47.6%) with sensitivity of 43.8% (95% CI 19.8% to 70.1%). Simon-Broome criteria had lower DR 11.3% (95% CI 6.0% to 20.0%) and specificity 70.9% (95% CI 64.8% to 76.5%) but higher sensitivity of 56.3% (95% CI 29.9% to 80.2%).

conclusionsIn primary care, in patients with cholesterol documented, FAMCAT 2 performs better than other case-finding criteria for detecting genetically confirmed FH, with no prior clinical review required for case finding. TRIAL REGISTRATION NUMBER: NCT03934320.

Indexed as

AlgorithmsAgedCholesterol, LDLFemaleGenetic TestingHumansHyperlipoproteinemia Type IIIncidenceMaleMiddle AgedPrimary Health CareProspective StudiesRisk FactorsUnited KingdomCholesterol, LDLdelivery of health careelectronic health recordshyperlipidemias

Identifiers

PMID34635577
PMCPMC8506870
OpenAlexW3207677519

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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.