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  • Title: Factors associated with hospital admission for exacerbation of chronic obstructive pulmonary disease.
    Author: Alcázar B, García-Polo C, Herrejón A, Ruiz LA, de Miguel J, Ros JA, García-Sidro P, Conde GT, López-Campos JL, Martínez C, Costán J, Bonnin M, Mayoralas S, Miravitlles M.
    Journal: Arch Bronconeumol; 2012 Mar; 48(3):70-6. PubMed ID: 22196478.
    Abstract:
    INTRODUCTION: Exacerbations of Chronic Obstructive Pulmonary Disease (COPD) that require hospital admission have a major impact on the progression of disease and generate high health costs. METHOD: A multi-center, cross-sectional, observational, study was conducted with the aim to identify factors associated with hospital admission in patients with COPD. We obtained data of socio-demographic and anthropometric characteristics, quality of life, respiratory symptoms, anxiety and depression, physical activity and pulmonary function tests. We analyzed their association with hospital admission with a multivariate analysis using a logistic regression model. RESULTS: We analyzed 127 patients, 50 (39%) of whom had been hospitalized. 93.7% were men, mean age 67 years (SD=9) and a FEV1 of 41.9% (SD=15.3). In the first model obtained, the baseline SpO(2), the BODE index and emergency room (ER) visits were associated with hospital admission and the area under the ROC curve (AUC) was 0.809. In a second model we included only variables readily available (without the 6 minutes walking test) and only the SpO(2) and previous visits to the ER were significant with an AUC ROC 0.783. CONCLUSIONS: hospital admission for exacerbation of COPD is associated with poor SpO(2), higher BODE index score and a greater number of visits to the ER. In case you do not have the 6 minutes walking test, the other two variables offer a similar discriminative ability.
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