Evidence map›Paper›PMID 22619271›Full record

ArticleBMJ open2012

Do statins improve outcomes in patients with asthma on inhaled corticosteroid therapy? A retrospective cohort analysis.

Tasneem Lokhandwala, Donna West-Strum, Benjamin F Banahan, John P Bentley, Yi Yang

Open access · goldAbstract read
In one paragraph

Article in BMJ open, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
3.7field-weighted citation impact, top 7% of its field
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 38 citations in OpenAlex.

  1. Trial
  2. Sterols and immune mechanisms in asthma.The Journal of allergy and clinical immunology · 2023
    Review
  3. Article
  4. Sterols in asthma.Trends in immunology · 2022
    Review
  5. Review
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Statin exposure is associated with decreased asthma-related emergency department visits and oral corticosteroid use.American journal of respiratory and critical care medicine · 2013 · on this map
    Observational
  17. Article
  18. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Tasneem LokhandwalaDepartment of Pharmacy Administration, University of Mississippi, University, Mississippi, USA.
Donna West-Strum
Benjamin F Banahan
John P Bentley
Yi Yang
University of Mississippi · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesAnimal studies and clinical trials have examined the potential benefits of statins in asthma management with contradictory results. The objective of this study was to determine if asthma patients on concurrent statins are less likely to have asthma-related hospitalisations.

designA retrospective cohort study using Mississippi Medicaid data for 2002-2004.

participantsAsthma patients ≥18 years were identified using the ICD9 code 493.xx from 1 July 2002 through 31 December 2003. The index date for an exposed subject was any date within the identification period, 180 days prior to which the subject had at least one inhaled corticosteroid prescription and at least an 80% adherence rate to statins. Asthma patients on inhaled corticosteroids, but not on statins, were selected as the unexposed population. The two groups were matched and followed for 1 year beginning the index date. MAIN OUTCOMES MEASURES: Patient outcomes in terms of hospitalisations and ER visits were compared using conditional logistic regression.

resultsAfter matching, there were 479 exposed subjects and 958 corresponding unexposed subjects. The odds of asthma-related hospitalisation and/or emergency room (ER) visits for asthma patients on concurrent statins were almost half the odds for patients not on statins (OR=0.55; 95% CI (0.37 to 0.84); p=0.0059). Similarly, the odds of asthma-related ER visits were significantly lower for patients on statins (OR=0.48; 95% CI (0.28 to 0.82); p=0.0069).

conclusionThe findings suggest beneficial effects of statins in asthma management. Further prospective investigations are required to provide more conclusive evidence.

Identifiers

PMID22619271
PMCPMC3364455
OpenAlexW2115010058

What OpenQuestion holds

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Registered trials

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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.