ReviewMicroorganisms2026
The Effects of Smoking on Respiratory Microbiota Diversity and Composition: A Systematic Review with Exploratory Meta-Analysis.
Review in Microorganisms, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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
0 citing papers in PubMed.
No citing paper in PubMed yet.
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.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Smoking is a major modifier of respiratory health, but its effects on the respiratory microbiota remain incompletely defined across airway niches and exposure types. We conducted a PRISMA-guided systematic review of PubMed, Web of Science, and Scopus, to identify human studies using culture-independent sequencing to examine associations between smoking and microbiota composition and diversity in anatomically defined upper and lower airway sites. Thirteen studies met the inclusion criteria. The exploratory meta-analysis of bronchoalveolar lavage inverse Simpson diversity from two studies did not provide a precise pooled estimate between smoking and diversity and was highly heterogeneous (SMD -1.63, 95% CI -5.07 to 1.81; I
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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.