Circulation Journal
Arrhythmia/Electrophysiology
Use of CHA2DS2-VASc Score to Predict New-Onset Atrial Fibrillation in Chronic Obstructive Pulmonary Disease Patients ― Large-Scale Longitudinal Study ―
Wei-Syun HuCheng-Li Lin
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Volume 81 (2017) Issue 12 Pages 1792-1797

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Abstract

Background:The aim of this study was to assess the accuracy of CHA2DS2-VASc score in predicting new-onset atrial fibrillation (AF) in patients with chronic obstructive pulmonary disease (COPD).

Methods and Results:A total of 50,430 COPD patients were enrolled in this study. The area under the receiver operating characteristic curve (AUC) and the Cox model c-statistic were used to assess the association between new-onset AF risk and CHA2DS2-VASc score in COPD patients. After adjustment for comorbidities other than the components of CHA2DS2-VASc score, risk of new-onset AF in COPD patients increased from 1.24 (95% confidence interval (CI): 1.01–1.52) for a score of 1, to 2.15 (95% CI: 1.62–2.86) for score ≥6 (trend test, P<0.001), compared with CHA2DS2-VASc score 0. The AUC for CHA2DS2-VASc score in predicting new-onset AF in COPD patients was 0.69 (95% CI: 0.68–0.70). The c-statistic of Cox model in predicting incident AF was 0.73.

Conclusions:Risk of new-onset AF in COPD patients increased with increasing CHA2DS2-VASc score. The predictive ability of the score was moderate. CHA2DS2-VASc score might be used as a screening tool for AF in COPD patients.

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© 2017 THE JAPANESE CIRCULATION SOCIETY
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