Evidence map›Paper›PMID 30837469›Full record

ArticleNPJ primary care respiratory medicine2019

COPD's early origins in low-and-middle income countries: what are the implications of a false start?

E A Brakema, F A van Gemert, R M J J van der Kleij, S Salvi, M Puhan, N H Chavannes, FRESH AIR collaborators

Abstract read
In one paragraph

Article in NPJ primary care respiratory medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

17 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Low- and middle- income countries have a different illness profile.Journal of family medicine and primary care · 2021
    Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Observational
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  17. Article
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

7 authors.

E A BrakemaDepartment of Public Health and Primary Care, Leiden University Medical Center, Leiden University, Leiden, The Netherlands. evelynbrakema@gmail.com.ORCID http://orcid.org/0000-0002-7376-4648
F A van GemertDepartment of General Practice Groningen, Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
R M J J van der KleijDepartment of Public Health and Primary Care, Leiden University Medical Center, Leiden University, Leiden, The Netherlands.
S SalviChest Research Foundation, Pune, India.
M PuhanEpidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland.
N H ChavannesDepartment of Public Health and Primary Care, Leiden University Medical Center, Leiden University, Leiden, The Netherlands.ORCID http://orcid.org/0000-0002-8607-9199
FRESH AIR collaborators

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

PubMed holds no abstract for this paper.

Indexed as

Developing CountriesHumansPulmonary Disease, Chronic ObstructiveRisk FactorsSocioeconomic FactorsVulnerable Populations

Identifiers

PMID30837469
PMCPMC6401185

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.