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Is group C really needed as a separate group from D in COPD? A single-center cross-sectional study
E E Yazar1, B Yi Itba2, E Y Niksarl O Lu2
1..stanbul Ayd..n University, Faculty of Medicine, Department of Chest Diseases, K......k..ekmece, Istanbul, 34295, Turkey.
Introduction:
GOLD 2017 report proposed that the combined COPD assessment should be done according only to symptom burden and exacerbation history in the previous year.
Objective:
This study aims to investigate the change in the COPD groups after the GOLD 2017 revision and also to discuss the evaluation of group C and D as a single group after the GOLD 2019 report.
Method:
The study was designed as a cross-sectional. 251 stable COPD patients admitted to our out-patient clinic; aged ...40 years, at least one-year diagnosis of COPD and ...10 pack-year smoking history were consecutively recruited for the study.
Results:
In GOLD 2017, a significant difference was found between the distribution of all groups compared to GOLD 2011 (P...=...0,001). 31 patients included in group C were reclassified into group A and 37 patients in group D were reclassified into group B. The FEV1 values of group A and B patients were significantly low and group C and D patients had had exacerbations in more frequently the previous year in GOLD 2017 compared to GOLD 2011.
Conclusion:
After the GOLD 2017 revision, the rate of group C patients decreased even more compared to GOLD 2011 and the group C and D may be considered as a single group in terms of the treatment recommendations with the GOLD 2019 revision. We think that future prospective studies are needed to support this suggestion.
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