Observational studyInternational journal of chronic obstructive pulmonary disease2017
The association between objectively measured physical activity and morning symptoms in COPD.
Observational study in International journal of chronic obstructive pulmonary disease, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.
What it found
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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
9 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Daytime symptoms of chronic obstructive pulmonary disease: a systematic review.NPJ primary care respiratory medicine · 2020Pooled it
- Synergistic effects of tDCS combined with aerobic exercise on pulmonary function and heart rate in sedentary young people.Scientific reports · 2025Trial
- Trial
- Depression and Anxiety as Comorbidities in Chronic Obstructive Pulmonary Disease: A Comprehensive Narrative Review.Healthcare (Basel, Switzerland) · 2025Review
- The Relationship Between Morning Symptoms and the Risk of Future Exacerbations in COPD.International journal of chronic obstructive pulmonary disease · 2020Article
- Circadian rhythm of COPD symptoms in clinically based phenotypes. Results from the STORICO Italian observational study.BMC pulmonary medicine · 2019Observational
- Impact of Previous Physical Activity Levels on Symptomatology, Functionality, and Strength during an Acute Exacerbation in COPD Patients.Healthcare (Basel, Switzerland) · 2018Article
- Physical activity in the morning and afternoon is lower in patients with chronic obstructive pulmonary disease with morning symptoms.Respiratory research · 2018Observational
- Daily Objective Physical Activity and Sedentary Time in Adults with COPD Using Spirometry Data from Canadian Measures Health Survey.Canadian respiratory journal · 2018Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe morning is the most bothersome period for COPD patients. Morning symptom severities in different Global Initiative for Chronic Obstructive Lung Disease (GOLD) stages are not well studied. Furthermore, factors that are associated with morning symptoms, especially the associations with objectively measured physical activity, are also not well described. MATERIALS AND
methodsThe aim of this cross-sectional observational study was to assess morning symptom severity in GOLD A, B, C and D patients, according to the definitions of the GOLD 2015 statement. Morning symptoms were assessed with the PRO-Morning COPD Symptoms Questionnaire. Differences in morning symptom severity between different COPD stages were assessed with a one-way analysis of variance followed by post hoc analyses. The association between dyspnea severity (assessed with the modified Medical Research Council scale), health status, airflow limitation, lung hyperinflation, anxiety and depression, inflammatory parameters, exacerbations, objectively measured physical activity parameters retrieved from accelerometry and morning symptom severity was evaluated using linear regression analysis.
resultsEighty patients were included (aged 65.6±8.7 years, forced expiratory volume in 1 second [FEV
conclusionPatients with overall more symptomatic COPD have significant higher morning symptom scores. Morning symptom severity was associated with important clinical outcomes: lower health status, more symptoms, increased anxiety and depression, fewer steps a day, less time in moderate and vigorous physical activity with bouts of at least 10 minutes and lower FEV
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