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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/58544
Generic utilities in chronic obstructive pulmonary disease patients stratified according to different staging systems.
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Background To determine generic utilities for Spanish chronic obstructive pulmonary disease (COPD) patients stratified by different classifications: GOLD 2007, GOLD 2013, GesEPOC 2012 and BODEx index. Methods Multicentre, observational, cross-sectional study. Patients were aged ≥40 years, with spirometrically confirmed COPD. Utility values were derived from EQ-5D-3 L. Means, standard deviations (SD), medians and interquartile ranges (IQR) were computed based on the different classifications. Differences in median utilities between groups were assessed by non-parametric tests. Results 346 patients were included, of which 85.5% were male with a mean age of 67.9 (SD = 9.7) years and a mean duration of COPD of 7.6 (SD = 5.8) years; 80.3% were ex-smokers and the mean smoking history was 54.2 (SD = 33.2) pack-years. Median utilities (IQR) by GOLD 2007 were 0.87 (0.22) for moderate; 0.80 (0.26) for severe and 0.67 (0.42) for very-severe patients (p < 0.001 for all comparisons). Median utilities by GOLD 2013 were group A: 1.0 (0.09); group B: 0.87 (0.13); group C: 1.0 (0.16); group D: 0.74 (0.29); comparisons were statistically significant (p < 0.001) except A vs C. Median utilities by GesEPOC phenotypes were 0.84 (0.33) for non exacerbator; 0.80 (0.26) for COPD-asthma overlap; 0.71 (0.62) for exacerbator with emphysema; 0.72 (0.57) for exacerbator with chronic bronchitis (p < 0.001). Comparisons between patients with or without exacerbations and between patients with COPD-asthma overlap and exacerbator with chronic bronchitis were statistically-significant (p < 0.001). Median utilities by BODEx index were: group 0
2: 0.89 (0.20); group 3
4: 0.80 (0.27); group 5
6: 0.67 (0.29); group 7
9: 0.41 (0.31). All comparisons were significant (p < 0.001) except between groups 3
4 and 5
6. Conclusion Irrespective of the classification used utilities were associated to disease severity. Some clinical phenotypes were associated with worse utilities, probably related to a higher frequency of exacerbations. GOLD 2007 guidelines and BODEx index better discriminated patients with a worse health status than GOLD 2013 guidelines, while GOLD 2013 guidelines were better able to identify a smaller group of patients with the best health.
2: 0.89 (0.20); group 3
4: 0.80 (0.27); group 5
6: 0.67 (0.29); group 7
9: 0.41 (0.31). All comparisons were significant (p < 0.001) except between groups 3
4 and 5
6. Conclusion Irrespective of the classification used utilities were associated to disease severity. Some clinical phenotypes were associated with worse utilities, probably related to a higher frequency of exacerbations. GOLD 2007 guidelines and BODEx index better discriminated patients with a worse health status than GOLD 2013 guidelines, while GOLD 2013 guidelines were better able to identify a smaller group of patients with the best health.
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MIRAVITLLES FERNÁNDEZ, Marc, HUERTA, Alicia, FERNÁNDEZ-VILLAR, José alberto, ALCÁZAR, Bernardino, VILLA, Guillermo, FORNÉ, Carles, CUESTA, Maribel, CRESPO, Carlos, GARCÍA RÍO, Francisco. Generic utilities in chronic obstructive pulmonary disease patients stratified according to different staging systems.. _Health And Quality Of Life Outcomes_. 2014. Vol. 12, núm. 9, pàgs. 120. [consulta: 20 de gener de 2026]. ISSN: 1477-7525. [Disponible a: https://hdl.handle.net/2445/58544]