Evidence map›Paper›PMID 41222889›Full record

ArticleNetherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation2025

A comprehensive analysis of female participation in cardiovascular trials involving the WCN investigator network.

Marte F van der Bijl, Jeanine E Roeters van Lennep, Astrid Schut, Iris C D Westendorp, Yolande Appelman, Hester M den Ruijter, Eric Boersma

Abstract read
In one paragraph

Article in Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
–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

4 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Advancing cardiovascular care-key insights from the Netherlands Heart Journal 2025.Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation · 2026
    Article
  4. Bridging the Gap: Time to Integrate Sex- and Gender-Specific Insights into Research and Practice.Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation · 2025
    Article
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.

Marte F van der BijlDepartment of Cardiology, Cardiovascular Institute, Erasmus MC, Rotterdam, The Netherlands.
Jeanine E Roeters van LennepDepartment of Internal Medicine, Cardiovascular Institute, Erasmus MC, Rotterdam, The Netherlands.
Astrid SchutDutch Network for Cardiovascular Research, Utrecht, The Netherlands.
Iris C D WestendorpDutch Network for Cardiovascular Research, Utrecht, The Netherlands.
Yolande AppelmanDepartment of Cardiology, Amsterdam Heart Centre, Amsterdam Cardiovascular Sciences, VU University Medical Center, Amsterdam, The Netherlands.
Hester M den RuijterLaboratory for Experimental Cardiology, Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands.
Eric BoersmaDepartment of Cardiology, Cardiovascular Institute, Erasmus MC, Rotterdam, The Netherlands. h.boersma@erasmusmc.nl.

Funding

Hartstichting IMPRESS-consortium (2020B004)Hartstichting Together with Dutch Network of Cardiovascular Research (01-003-2023-0425)
6 · The paper itself

Abstract

backgroundPrior studies showed underrepresentation of females in cardiovascular disease (CVD) clinical trials, potentially hindering accurate treatment effect estimates. We assessed the female contribution to treatment effect estimates in selected CVD trials and explored sex differences in efficacy outcomes.

methodsWe analyzed completed (1997-2024) randomized controlled CVD trials performed via the Dutch WCN Investigator Network. Female participation was quantified using the Participation to Prevalence (in the population) Ratio (PPR

resultsIn 115 trials investigating various treatments across different cardiovascular domains (801 k participants, 29.1% females), the median PPR

conclusionDespite underrepresentation, female participation in the selected WCN-CVD trials was sufficient to exclude major sex differences in efficacy. Given the limited and heterogeneous trial sample, further disease-specific studies are needed, and greater female inclusion remains essential for equity and safety insights.

Indexed as

Cardiovascular DiseasesClinical Trials as TopicSexWomen’s Health

Identifiers

PMID41222889
PMCPMC12638513

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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.