Trial reportInternational journal of chronic obstructive pulmonary disease2020
Correlation of Clinical Symptoms and Sputum Inflammatory Markers with Air Pollutants in Stable COPD Patients in Beijing Area.
Trial report in International journal of chronic obstructive pulmonary disease, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 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
7 citing papers in PubMed, 15 citations in OpenAlex.
- Cardiopulmonary and Immune Effects of Environmental Particulate Exposures.Physiology (Bethesda, Md.) · 2026Review
- The association between long-term exposure to ozone and respiratory morbidity in Chinese adults: a nationwide cross-sectional study.Respiratory research · 2026Article
- Black Phosphorus-Tungsten Oxide Sandwich-like Nanostructures for Highly Selective NOSensors (Basel, Switzerland) · 2024Article
- Correlation of Serum Clara Cell Secretory Protein 16, Plasma Fibrinogen and Serum Amyloid A with the Severity of Acute Exacerbated COPD and Their Combination in Prognosis Assessment.International journal of chronic obstructive pulmonary disease · 2023Article
- The Influence of Air Pollution on Pulmonary Disease Incidence Analyzed Based on Grey Correlation Analysis.Contrast media & molecular imaging · 2022Article
- [The role of IL-8 in the chronic airway inflammation and its research progress].Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2021Review
- Influence of Cell Quality on Inflammatory Biomarkers in COPD Sputum Supernatant.International journal of chronic obstructive pulmonary diseaseArticle
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 at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Short-term exposure to major air pollutants can increase the risk of acute exacerbation in chronic obstructive pulmonary disease (COPD) patients. However, evidence on the mechanism of acute exacerbation of COPD (AECOPD) caused by air pollutants is still limited. A total of 78 patients with stable COPD and 58 healthy controls were recruited in Peking University Third Hospital in China from December 2014 to January 2015. The correlation and lag effect over 7 days (lag1-7) of 6 air pollutants with clinical symptoms and inflammatory markers in induced sputum were analyzed. PM
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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.