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The Screening Value Of ESS, SACS, BQ, And SBQ On Obstructive Sleep Apnea In Patients With Chronic Obstructive Pulmonary Disease

Authors Xiong M, Hu W, Dong M, Wang M, Chen J, Xiong H, Zhong M, Jiang Y, Liu D, Hu K

Received 18 July 2019

Accepted for publication 9 October 2019

Published 13 November 2019 Volume 2019:14 Pages 2497—2505

DOI https://doi.org/10.2147/COPD.S223354

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Chunxue Bai


Mengqing Xiong,1 Weihua Hu,1 Minglin Dong,1 Meifang Wang,2 Junwen Chen,3 Hanzhong Xiong,4 Minhua Zhong,5 Yan Jiang,6 Dan Liu,6 Ke Hu1

1Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan 430060, People’s Republic of China; 2Department of Respiratory and Critical Care Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, People’s Republic of China; 3Department of Respiratory and Critical Care Medicine, Xiangyang Hospital, Hubei University of Medicine, Xiangyang 441000, People’s Republic of China; 4Department of Respiratory and Critical Care Medicine, Ezhou Central Hospital, Ezhou 436000, People’s Republic of China; 5Department of Respiratory and Critical Care Medicine, Xiaogan Central Hospital, Wuhan University of Technology, Xiaogan 432000, People’s Republic of China; 6Division of Respiratory Disease, The Fifth Hospital of Wuhan City, Wuhan 430050, People’s Republic of China

Correspondence: Ke Hu
Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Zhangzhidong Road, No. 99, Wuhan 430060, People’s Republic of China
Tel +86 189 7103 5988
Fax +86 27 8804 2292
Email huke-rmhospital@163.com

Objective: To compare the performance of Epworth sleepiness scale (ESS), sleep apnea clinical score (SACS), Berlin questionnaire (BQ), and STOP-BANG questionnaire (SBQ) in screening for obstructive sleep apnea (OSA) in patients with chronic obstructive pulmonary disease (COPD).
Methods: A total of 431 patients were analyzed. All subjects completed lung function test, ESS, SACS, BQ, and SBQ survey and overnight polysomnography (PSG). According to lung function and PSG results, participants were divided into COPD with OSA group (OVS, AHI ≥5) and without OSA group (AHI <5). The value of ESS, SACS, BQ, and SBQ was compared in predicting OSA in patients with COPD by receiver-operating characteristic (ROC) curve statistics.
Results: Of the 431 subjects, there were 96 cases in COPD without OSA group, and 335 cases in OVS group including 183, 96, and 56 cases of COPD combined with mild, moderate or severe OSA. In predicting different degrees of severity of OSA in patients with COPD, the value of ESS was poor with all the values of area under the curve (AUC) < 0.7. SACS and BQ had moderate predictive value in screening for severe OSA with the value of AUC of 0.750, 0.735 respectively. However, the SBQ performed best in predicting various degrees of OSA. For screening mild OSA (AHI ≥5), the ROC statistics recommended the cut-off score of SBQ >2 was considered high risk of OSA; the sensitivity, specificity, and AUC were 92.8%, 40.6%, and 0.723 respectively, the odds ratio (OR) was 2.161. When AHI ≥15, AUC for SBQ was 0.737. In predicting severe OSA (AHI ≥30), the ROC curve showed cut-off point, sensitivity, specificity, and AUC for SBQ was >4, 66.1%, 82.1%, and 0.824 respectively; the positive and negative likelihood ratio was 3.70, 0.41 separately, the OR was 2.977.
Conclusion: SBQ performed better than ESS, SACS, and BQ in predicting OSA in patients with COPD.

Keywords: Berlin questionnaire, STOP-BANG questionnaire

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