ArticleBMJ open2025
BREATHEIN: Better understanding obstructive REspiratory Airway disease Treatment and HEalth: a nationwide INvestigative survey in Denmark-a study protocol.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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.
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.
Who cites it
2 citing papers in PubMed.
- Turning a nation into a cohort: combining national registers and a digital mailbox for population-based health research.European journal of epidemiology · 2026Article
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionUnderstanding patient perspectives on asthma and chronic obstructive pulmonary disease (COPD) is limited, with no prior studies employing such a large-scale, proactive survey to systematically target individuals with a confirmed prescription for inhalation medication. This study aims to explore how patients with asthma or COPD manage their lives, including treatment experiences, symptoms and impacts on daily life. METHODS AND ANALYSIS: A nationwide survey will be launched in January 2025, targeting adults (≥18 years) in Denmark diagnosed with asthma or COPD and prescribed or dispensed inhalation medication between 1 October 2023 and 30 September 2024. Data from the Danish Health Data Authority's Register of Medicinal Product Statistics will identify eligible individuals. The electronic survey will be distributed via e-Boks to approximately 450 000 individuals.The questionnaire integrates validated tools-COPD Assessment Test, Modified Medical Research Council scale, EuroQol 5-Dimension 5-Level and Asthma Control Test-alongside expert-developed questions on symptoms, diagnosis, disease control, treatment and patient experiences. Questionnaire development included 10 cognitive interviews with patients from the Outpatient Clinic at Vejle Hospital.Descriptive statistics will be used to analyse both continuous and categorical data, with sensitivity analyses conducted as well. Data management will be handled in Research Electronic Data Capture, and statistical analyses will be performed using Stata V.18.0. ETHICS AND DISSEMINATION: The study is registered with the Danish Data Protection Agency (24/5229) and Open Patient Data Explorative Network (OP_2094) and follows the Declaration of Helsinki. Results will be published in peer-reviewed journals, presented at national and international conferences and shared through patient associations.
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What OpenQuestion holds
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.