Observational studySleep2022
Risk of COPD exacerbation is increased by poor sleep quality and modified by social adversity.
Observational study in Sleep, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01969344 (Subpopulations and Intermediate Outcome Measures in COPD Study), which is not on this map. Cited by 15 papers, 3 of them syntheses 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.
Subpopulations and Intermediate Outcome Measures in COPD Study
Who cites it
15 citing papers in PubMed, 3 syntheses or guidelines pooled it, 24 citations in OpenAlex.
- What is the most effective non-pharmacological treatment for poor sleep quality in Chronic obstructive pulmonary disease patients? a systematic review.Sleep & breathing = Schlaf & Atmung · 2026Pooled it
- Short-term sleep benefitsFrontiers in pharmacology · 2026Pooled it
- Combined Lifestyle Interventions in the Prevention and Management of Asthma and COPD: A Systematic Review.Nutrients · 2024Pooled it
- Wearable Sleep Measures May Improve Machine Learning Prediction of Home-Based Pulmonary Rehabilitation Engagement Among Patients With Chronic Obstructive Pulmonary Disease: A Proof-of-Concept Study.Mayo Clinic proceedings. Digital health · 2026Article
- Sleep phenotypes and clinical outcomes in individuals with chronic obstructive pulmonary disease: A cohort study.Sleep & breathing = Schlaf & Atmung · 2026Article
- Joint Associations of Sleep Patterns and Genetic Susceptibility With Dynamic Transitions of Chronic Obstructive Pulmonary Disease and Coronary Heart Disease and the Mediating Role of Inflammatory Biomarkers and Metabolites.Journal of the American Heart Association · 2026Article
- Comparison of the outcomes ofPeerJ · 2026Article
- Relationship between cardiovascular health and COPD andits impact on all-cause mortality in patients with COPD: analyses of NHANES 2005-2018.BMC pulmonary medicine · 2025Article
- The relationship between trait anxiety and sleep quality in college students: an exploratory analysis of physical activity as a moderator.Frontiers in psychiatry · 2025Article
- Machine learning model based on survey assessment of sleep quality in chronic obstructive pulmonary disease patients.PloS one · 2025Article
- Article
- Identification of sleep phenotypes in COPD using machine learning-based cluster analysis.Respiratory medicine · 2024Observational
- Exploring the Link between Social Support and Patient-Reported Outcomes in Chronic Obstructive Pulmonary Disease Patients: A Cross-Sectional Study in Primary Care.Healthcare (Basel, Switzerland) · 2024Article
- Circadian Disruption in Night Shift Work and Its Association with Chronic Pulmonary Diseases.Advanced biology · 2023Review
- Patient-Reported Outcome Measurements in Patients with COPD-Obstructive Sleep Apnea Overlap Syndrome: Time for Action?Journal of personalized medicine · 2022Review
Corrections and comments
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Authors and funding
23 authors at 15 institutions in 1 country.
Funding
Abstract
STUDY
objectivesSleep is an important dimension in the care of chronic obstructive pulmonary disease (COPD), but its relevance to exacerbations is unclear. We wanted to assess whether sleep quality as measured by the Pittsburgh Sleep Quality Index (PSQI) is associated with an increased risk of COPD exacerbations and does this differ by socio-environmental exposures.
methodsWe included 1647 current and former smokers with spirometrically confirmed COPD from the SPIROMICS cohort. We assessed incidence rate ratios for exacerbation using zero-inflated negative binomial regression adjusting for demographics, medical comorbidities, and multiple metrics of disease severity, including respiratory medications, airflow obstruction, and symptom burden. Our final model adjusted for socio-environmental exposures using the Area Deprivation Index, a composite measure of contemporary neighborhood quality, and Adversity-Opportunity Index, a composite measure of individual-level historic and current socioeconomic indicators. We used a pre-determined threshold of 20% missingness to undertake multiple imputation by chained equations. As sensitivity analyses, we repeated models in those with complete data and after controlling for prior exacerbations. As an exploratory analysis, we considered an interaction between socio-environmental condition and sleep quality.
resultsAfter adjustment for all co-variates, increasing PSQI scores (range 0-21) were associated with a 5% increased risk for exacerbation per point (p = .001) in the imputed dataset. Sensitivity analyses using complete cases and after controlling for prior exacerbation history were similar. Exploratory analysis suggested less effect among those who lived in poor-quality neighborhoods (p-for-interaction = .035).
conclusionsPoor sleep quality may contribute to future exacerbations among patients with COPD. This represents one target for improving disease control. CLINICAL
trial registrationSubpopulations and Intermediate Outcome Measures in COPD Study (SPIROMICS). ClinicalTrials.gov Identifier# NCT01969344. Registry URL: https://clinicaltrials.gov/ct2/show/.
Indexed as
Identifiers
What Socratic 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 Socratic graph.