Cited by 168Chronic Obstructive Pulmonary Disease (COPD) ResearchSmoking Behavior and CessationAsthma and respiratory diseases

Recent trends in COPD prevalence in Spain: a repeated cross-sectional survey 1997-2007

Open access
Soriano, J.B., Ancochea, J., Miravitlles, M., García-Río, F., Duran-Tauleria, E., Muñoz, L., Jiménez-Ruiz, C.A., Masa, J.F. +5 more·2010·European Respiratory Journal

Abstract

We aimed to describe changes in the prevalence of chronic obstructive pulmonary disease (COPD) in Spain by means of a repeated cross-sectional design comparing two population-based studies conducted 10 yrs apart. We compared participants from IBERPOC (Estudio epidemiológico de EPOC en España) (n = 4,030), conducted in 1997, with those of EPI-SCAN (Epidemiologic Study of COPD in Spain) (n = 3,802), conducted in 2007. Poorly reversible airflow obstruction compatible with COPD was defined according to the old European Respiratory Society definitions. COPD prevalence in the population between 40 to 69 yrs of age dropped from 9.1% (95% CI 8.1–10.2%) in 1997 to 4.5% (95% CI 2.4–6.6%), a 50.4% decline. The distribution of COPD prevalence by severity also changed from 38.3% mild, 39.7% moderate and 22.0% severe in 1997, to 85.6% mild, 13.0% moderate and 1.4% severe in 2007, and in the 40–69 yr EPI-SCAN sub-sample to 84.3% mild, 15.0% moderate and 0.7% severe. Overall, underdiagnosis was reduced from 78% to 73% (not a significant difference) and undertreatment from 81% to 54% (p<0.05) within this 10-yr frame. The finding of a substantial reduction in the prevalence of COPD in Spain is unexpected, as were the observed changes in the severity distribution, and highlights the difficulties in comparisons between repeated cross-sectional surveys of spirometry in the population.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1183/09031936.00138409

Cites

42 of 42 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Research works printed but not linked: 4

  1. Comite ´Cientı ´fico del Estudio IBERPOC. El proyecto IBERPOC: Un estudio epidemiolo ´gico de la EPOC en Espan ˜a [Scientific Committee of the IBERPOC study. The IBERPOC project: an epidemiological study of COPD in Spain]. Arch Bronconeumol 1997; 33: 293-299.
  2. Ancochea J, Badiola C, Duran-Tauleria E, et al. The EPI-SCAN Study: A survey to assess the prevalence of chronic obstructive pulmonary disease in 40 to 80 year old in Spain: protocol summary. Arch Bronconeumol 2009; 45: 41-47.
  3. Siafakas NM, Vermeire P, Pride NB, et al. Optimal assessment and management of chronic obstructive pulmonary disease (COPD). Eur Respir J 1995; 8: 1398-1420.
  4. Buess CH, Boutellier U, Koller EA. Pneumotachometers. In: Webster JG, ed. Encyclopaedia of Medical Devices and Instrumentation. New York, Wiley, 1988; pp. 2319-2324.

Cited by

Sorted by citations

Authors
Soriano, J. B., Ancochea, J., Miravitlles, M., García-Río, F., Duran-Tauleria, E., Muñoz, L., Jiménez-Ruiz, C. A., Masa, J. F., Viejo, J. L., Villasante, C., Fernández-Fau, L., Sánchez, G., & Sobradillo-Peña, V.
Affiliations
  • Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (ES)
  • Consorci Institut D'Investigacions Biomediques August Pi I Sunyer (ES)
  • Hospital General Yagüe (ES)
  • Hospital Universitario La Paz (ES)
  • GlaxoSmithKline (Spain) (ES)
  • Municipal Institute for Medical Research (ES)
Venue
European Respiratory Journal
Published
2009-12-08
Volume
36
Issue
4
Pages
758-765
ISSN
  • 0903-1936 (ISSN-L)
  • 1399-3003
OpenAlex
W2121230179
Cited by
168
References
42
Citations by year
2026: 2 · 2025: 4 · 2024: 3 · 2023: 5 · 2022: 7 · 2021: 9 · 2020: 18 · 2019: 11 · 2018: 11 · 2017: 11 · 2016: 8 · 2015: 18 · 2014: 9 · 2013: 15 · 2012: 15
FWCI
10.10
Type
journal article
Language
en
Open access
Locations
  • European Respiratory Journal (publishedVersion)
  • PubMed (publishedVersion)
Funders
GlaxoSmithKline
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Chronic Obstructive Pulmonary Disease (COPD) Research
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Health Sciences › Medicine › Physiology › Asthma and respiratory diseases
Keywords
chronic obstructive pulmonary disease, COPD prevalence, temporal trends, Spain, airflow obstruction, underdiagnosis, undertreatment, spirometry
MeSH terms
Adult, Age Factors, Aged, Cross-Sectional Studies, Female, Geography, Humans, Lung Diseases, Male, Middle Aged, Sex Factors, Spain, Prevalence, Epidemiologic Studies, Pulmonary Disease, Chronic Obstructive

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review