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Validity of the GOLD 2017 classification in the prediction of mortality and respiratory hospitalization in patients with chronic obstructive pulmonary disease.

Abstract：

:Background: The Global Initiative for Chronic Obstructive Lung Disease (GOLD) released an updated document in 2017 that excluded the spirometric parameter in the classification of patients. The validity of this new classification system in predicting mortality and respiratory hospitalization is still uncertain. Methods: Outpatients (n=149) with chronic obstructive pulmonary disease (COPD) who underwent spirometry and six-minutes walking test from October 2011 to September 2013 were enrolled. The overall mortality and rate of respiratory hospitalization over a median of 61 months were analyzed. Kaplan-Meier survival analyses, receiver operaing curve analyses with areas under the curve (AUCs), and logistic regression analyses for GOLD 2007, GOLD 2011, GOLD 2017, and/or BODE index were performed to evaluate their abilities to predict mortality and respiratory hospitalization. Results: Forty-two (53.2%) patients in 2011 GOLD C or D group were categorized into 2017 GOLD A or B group. The odds ratios of GOLD 2017 group C and group D relative to group A were 7.55 (95% CI, 1.25-45.8) and 25.0 (95% CI, 6.01-102.9) for respiratory hospitalization. Patients in GOLD 2017 group A and group B had significantly better survival (log-rank test, p<0.001) compared with patients in group D; however, survival among patients in GOLD 2007 groups and GOLD 2011 groups was comparable. The AUC values for GOLD 2007, GOLD 2011, GOLD 2017, and BODE index were 0.573, 0.624, 0.691, 0.692 for mortality (p=0.013) and 0.697, 0.707, 0.741, and 0.754 for respiratory hospitalization (p=0.296), respectively. Conclusion: The new GOLD classification may perform better than the previous classifications in terms of predicting mortality and respiratory hospitalization.

journal_name

Int J Chron Obstruct Pulmon Dis

journal_title

International journal of chronic obstructive pulmonary disease

authors

Lee SJ,Yun SS,Ju S,You JW,Cho YJ,Jeong YY,Kim JY,Kim HC,Lee JD

doi

10.2147/COPD.S191362

subject

Has Abstract

pub_date

2019-04-29 00:00:00

pages

911-919

eissn

1176-9106

issn

1178-2005

pii

191362

journal_volume

pub_type

杂志文章

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Validity of the GOLD 2017 classification in the prediction of mortality and respiratory hospitalization in patients with chronic obstructive pulmonary disease.