Observational studyNPJ primary care respiratory medicine2015
Features of COPD patients by comparing CAT with mMRC: a retrospective, cross-sectional study.
Observational study in NPJ primary care respiratory medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 1 of them a synthesis that pooled 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.
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
26 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Association between impairment of lung function and risk of anxiety and depression in patients with chronic obstructive pulmonary disease-a systematic review.Systematic reviews · 2024Pooled it
- A novel percutaneous aspiration sclerotherapy for staged volume reduction of giant single bulla in the treatment of COPD combined with pulmonary bullae.BMC pulmonary medicine · 2026Article
- Real-Life Characteristics of Patients with COPD and Discordant CAT-mMRC Questionnaires.Journal of clinical medicine · 2025Article
- T-cell immune status in patients with acute exacerbation of chronic obstructive pulmonary disease: a case-control study.Frontiers in medicine · 2025Article
- Spirometric Interpretation and Clinical Relevance According to Different Reference Equations.Journal of Korean medical science · 2024Article
- Cohort study to evaluate prognostic factors in idiopathic pulmonary fibrosis patients introduced to oxygen therapy.Scientific reports · 2023Article
- COPD exacerbations and patient-reported outcomes according to post-bronchodilator FEVBMC pulmonary medicine · 2023Article
- How to Utilize CAT and mMRC Scores to Assess Symptom Status of Patients with COPD in Clinical Practice?Medeniyet medical journal · 2022Article
- Immunophenotype in acute exacerbation of chronic obstructive pulmonary disease: a cross-sectional study.Respiratory research · 2022Article
- Herbal Medicines for the Treatment of Chronic Obstructive Airway Diseases (Asthma or Chronic Obstructive Pulmonary Disease): A Prospective Observational Study.Evidence-based complementary and alternative medicine : eCAM · 2022Article
- Variation in Assignment of the COPD Patients into a GOLD Group According to Symptoms Severity.International journal of chronic obstructive pulmonary disease · 2020Observational
- Classification of Patients with COPD on LAMA Monotherapy Using the GOLD Criteria: Analysis of a Claims-Linked Patient Survey Study.Pulmonary therapy · 2019Article
- Predictors of Symptom Burden in Patients with COPD on LAMA Monotherapy: Multivariable Analysis of a Claims-Linked Survey Study.Pulmonary therapy · 2019Article
- Treatment response in COPD: does FEVERJ open research · 2019Article
- Investigation of the Prevalence and Diagnosis of Chronic Obstructive Pulmonary Disease in a Group of Elderly Individuals Residing in an Island Area of Ningbo.Canadian respiratory journal · 2019Article
- An mHealth Management Platform for Patients with Chronic Obstructive Pulmonary Disease (efil breath): Randomized Controlled Trial.JMIR mHealth and uHealth · 2018Article
- Observational
- The role of CAT in evaluating the response to treatment of patients with AECOPD.International journal of chronic obstructive pulmonary disease · 2018Article
- The effect of environmental factors on the differential expression of miRNAs in patients with chronic obstructive pulmonary disease: a pilot clinical study.International journal of chronic obstructive pulmonary disease · 2018Article
- Adherence to a COPD treatment guideline among patients in Hong Kong.International journal of chronic obstructive pulmonary disease · 2017Observational
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe group assignment of chronic obstructive pulmonary disease (COPD) may differ depending on whether the COPD assessment test (CAT) or modified Medical Research Council dyspnoea scale (mMRC) is used.
aimsThis study intended to clarify how different patient characteristics influence the differences, to determine the relationships between CAT and mMRC and to characterise COPD patients by both CAT and mMRC.
methodsThis was a retrospective, cross-sectional study. The data, collected by Taiwan Obstructive Lung Disease consortium, were managed and analysed.
resultsOf the 757 participants, COPD group assignment was not identical as well as no substantial agreement presented when categorised based on the cut-point CAT score ⩾10 and each mMRC cut-point. In all, 38.2% of participants had discordant group assignments together with a lower mean CAT score, less severe airway obstruction and less severe airflow limitation compared with those with concordant group assignments. In the discordant group, the CAT⩾10/mMRC 0-1 subgroup had more wheezing than CAT<10/mMRC⩾2 subgroup. Only moderate correlations existed between CAT and mMRC. More-symptom groups and combined high-risk group had better correlations than less-symptom groups and combined low-risk group, respectively. A modest negative correlation existed between forced expiratory volume in 1 s percentage (FEV1%) predicted and CAT score and between FEV1% predicted and mMRC scale in parallel with a significant positive relationship existing between the CAT score and mMRC scale. Notably, a significant proportion of COPD patients with each scale of mMRC had health status impairment.
conclusionsThe Global initiative for Chronic Obstructive Lung Disease committee should redefine the applications of CAT and mMRC in the management of COPD.
Indexed as
Identifiers
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.