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Vol 82, No 6 (2014)
ORIGINAL PAPERS
Submitted: 2014-10-22
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Chronic obstructive pulmonary disease in Poland: distribution of patients according to the new GOLD 2011 classification. Cross-sectional survey

Stefan Wesołowski, Piotr W. Boros, Tomasz Dębowski
DOI: 10.5603/PiAP.2014.0068
·
Pneumonol Alergol Pol 2014;82(6):511-517.

open access

Vol 82, No 6 (2014)
ORIGINAL PAPERS
Submitted: 2014-10-22

Abstract

Introduction: In 2011 new classification for chronic obstructive pulmonary disease (COPD) was introduced, which are not based on the extent of airflow limitation alone, but also on symptoms and risk of exacerbation. The objective of our work was to present the characteristics of COPD patients according to the GOLD 2011 categories.

Material and methods: A cross-sectional survey was performed with the participation of 411 specialists in pneumonology or allergology all over from Poland.

Results: In the group of 2271 patients we obtained the following distribution of COPD categories: A 687 (30.3%), B 403 (17.7%), C 256 (11.3%), and D 925 (40.7%). There were very few patients with no exacerbation (1.3%). In subgroups A and B there were no such patients at all. The main reason for classification of patients into categories C and D was the number of exacerbations of COPD (66.0% and 40%, respectively). Cardiovascular comorbidities were more frequent in subgroups B and D, with more symptoms (82%) than in subgroups A and C (57%, p < 0.001).

Conclusions: In a large group of patients, representative of the population of COPD patients in Poland, we observed an uneven distribution of patients in the GOLD 2011 categories, with 71% of patients assigned to category A or D. In our study, the main reason for classifying to category C or D was the high risk of disease exacerbation rather than the degree of FEV1 reduction, as noted in other reports.

Abstract

Introduction: In 2011 new classification for chronic obstructive pulmonary disease (COPD) was introduced, which are not based on the extent of airflow limitation alone, but also on symptoms and risk of exacerbation. The objective of our work was to present the characteristics of COPD patients according to the GOLD 2011 categories.

Material and methods: A cross-sectional survey was performed with the participation of 411 specialists in pneumonology or allergology all over from Poland.

Results: In the group of 2271 patients we obtained the following distribution of COPD categories: A 687 (30.3%), B 403 (17.7%), C 256 (11.3%), and D 925 (40.7%). There were very few patients with no exacerbation (1.3%). In subgroups A and B there were no such patients at all. The main reason for classification of patients into categories C and D was the number of exacerbations of COPD (66.0% and 40%, respectively). Cardiovascular comorbidities were more frequent in subgroups B and D, with more symptoms (82%) than in subgroups A and C (57%, p < 0.001).

Conclusions: In a large group of patients, representative of the population of COPD patients in Poland, we observed an uneven distribution of patients in the GOLD 2011 categories, with 71% of patients assigned to category A or D. In our study, the main reason for classifying to category C or D was the high risk of disease exacerbation rather than the degree of FEV1 reduction, as noted in other reports.

Get Citation

Keywords

COPD, GOLD 2011 classification, COPD exacerbations

About this article
Title

Chronic obstructive pulmonary disease in Poland: distribution of patients according to the new GOLD 2011 classification. Cross-sectional survey

Journal

Advances in Respiratory Medicine

Issue

Vol 82, No 6 (2014)

Pages

511-517

DOI

10.5603/PiAP.2014.0068

Bibliographic record

Pneumonol Alergol Pol 2014;82(6):511-517.

Keywords

COPD
GOLD 2011 classification
COPD exacerbations

Authors

Stefan Wesołowski
Piotr W. Boros
Tomasz Dębowski

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