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Incidence of chronic obstructive pulmonary disease based on three spirometric diagnostic criteria in Sao Paulo, Brazil: a nine-year follow-up since the PLATINO prevalence study

Overview of attention for article published in Sao Paulo Medical Journal, June 2015
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Title
Incidence of chronic obstructive pulmonary disease based on three spirometric diagnostic criteria in Sao Paulo, Brazil: a nine-year follow-up since the PLATINO prevalence study
Published in
Sao Paulo Medical Journal, June 2015
DOI 10.1590/1516-3180.2015.9620902
Pubmed ID
Authors

Moreira, Graciane Laender, Gazzotti, Mariana Rodrigues, Manzano, Beatriz Martins, Nascimento, Oliver, Perez-Padilla, Rogelio, Menezes, Ana Maria Baptista, Jardim, José Roberto, Moreira, Graciane Laender, Gazzotti, Mariana Rodrigues, Manzano, Beatriz Martins, Nascimento, Oliver, Perez-Padilla, Rogelio, Menezes, Ana Maria Baptista, Jardim, José Roberto

Abstract

Chronic obstructive pulmonary disease (COPD) is a respiratory disease of high prevalence and socioeconomic impact worldwide. It affects approximately 16% of the population of São Paulo. The incidence of COPD is still unknown in Brazil. The aim of this study was to estimate new cases of COPD in a population-based sample in São Paulo, Brazil, using three different spirometric diagnostic criteria, and to assess the concordance between these criteria. Prospective cohort study, in the city of São Paulo, Brazil. A questionnaire was applied and anthropometry and pre and post-bronchodilator spirometry were performed on the same subjects as in the initial PLATINO study (2003) in São Paulo. Data from this follow-up study were added to the original database of the initial phase. Incident COPD cases refer to subjects who developed the disease in accordance with each spirometric criterion during the nine-year follow-up period. The Statistical Package for the Social Sciences, version 17.0 (SPSS Inc., Chicago, IL, USA) was used in the analysis and the significance level was set at P < 0.05. 613 subjects participated in the follow-up. New COPD cases ranged in frequency from 1.4% to 4.0%, depending on the diagnostic criterion used. The concordance between the criteria ranged from 35% to 60%. The incidence of COPD after a nine-year follow-up was high, but varied according to the spirometric criterion used. The agreement between the criteria for identifying new cases of the disease ranged from 35% to 60%.

Mendeley readers

The data shown below were compiled from readership statistics for 19 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 19 100%

Demographic breakdown

Readers by professional status Count As %
Other 1 5%
Student > Postgraduate 1 5%
Unknown 17 89%
Readers by discipline Count As %
Nursing and Health Professions 1 5%
Medicine and Dentistry 1 5%
Unknown 17 89%