ArticleBiomedicines2021
The Effectiveness of Influenza Vaccination on Chronic Obstructive Pulmonary Disease with Different Severities of Airflow Obstruction.
Article in Biomedicines, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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
1 citing paper in PubMed, 1 citations in OpenAlex.
- Smoking cessation and influenza vaccination can reduce the healthcare burden of COPD.Tobacco induced diseases · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This retrospective study included COPD patients who attended our medical center between January and October 2018, and analyzed the outcomes of their influenza vaccination, including medical visits, hospitalization, medical expenses, and the incidence of respiratory failure. Airflow limitation was stratified according to GOLD guidelines. Overall, 543 COPD patients were enrolled, including 197, 113, 126, and 107 mild, moderate, severe, and very severe patients, respectively. Of all the participants, 238 received an influenza vaccination (43.8%), which significantly reduced hospital utilization for moderate (odds ratio [OR] 0.22, 95%CI 0.09-0.51), severe (OR 0.19, 95%CI 0.08-0.44), and very severe patients (OR 0.15, 95%CI 0.05-0.5) compared to mild patients (OR 0.51, 95%CI 0.2-1.26); reduced emergency department utilization for moderate (OR 0.33, 95%CI 0.14-0.77), severe (OR 0.22, 95%CI 0.10-0.52), and very severe patients (OR 0.30, 95%CI 0.10-0.88) compared to mild patients (OR 0.64, 95%CI 0.30-1.37); and reduced the occurrence of respiratory failure for moderate (OR 0.20, 95%CI 0.06-0.68), severe (OR 0.40, 95%CI 0.16-0.98), and very severe patients (OR 0.36, 95%CI 0.15-0.82) compared to mild patients (OR 0% CI 0.14-3.20). Influenza vaccination is more effective in COPD patients with moderate, severe, and very severe airflow obstruction than in those with mild obstruction with respect to hospital utilization, emergency department utilization, and respiratory failure.
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Registered trials
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