Diagnostic performance of the STOP-Bang questionnaire as a screening tool for obstructive sleep apnea in different ethnic groups

Waseem, Rida and Chan, Matthew T.V. and Wang, Chew Yin and Seet, Edwin and Tam, Stanley and Loo, Su Yin and Lam, Carmen K.M. and Hui, David S. and Chung, Frances (2021) Diagnostic performance of the STOP-Bang questionnaire as a screening tool for obstructive sleep apnea in different ethnic groups. Journal of Clinical Sleep Medicine, 17 (3). pp. 521-532. ISSN 1550-9389

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Official URL: https://doi.org/10.5664/jcsm.8940

Abstract

Study Objectives: The STOP-Bang questionnaire is a concise and easy screening tool for obstructive sleep apnea (OSA). Using modified body mass index (BMI), we assessed the diagnostic performance of the STOP-Bang questionnaire in predicting OSA in ethnically different groups of patients undergoing surgery. Methods: This was a multicenter prospective cohort study involving patients with cardiovascular risk factors who were undergoing major noncardiac surgery. Patients underwent home sleep apnea testing. All patients completed the STOP-Bang questionnaire. The predictive parameters of STOP-Bang scores were calculated against the apnea-hypopnea index. Results: From 4 ethnic groups 1,205 patients (666 Chinese, 161 Indian, 195 Malay, and 183 Caucasian) were included in the study. The mean BMI ranged from 25 ± 4 to 30 ± 6 kg/m2 andmean age ranged from64 ± 8 to 71 ± 10 years. For the Chinese and Indian patients, diagnostic parameters are presented using BMI threshold of 27.5 kg/m2 with the area under curve to predict moderate-to-severe OSA being 0.709 (0.665-0.753) and 0.722 (0.635-0.808), respectively. For theMalay and Caucasian, diagnostic parameters are presented using BMI threshold of 35 kg/m2 with the area under curve for predictingmoderate-to-severe OSA being 0.645 (0.572-0.720) and 0.657 (0.578-0.736), respectively. Balancing the sensitivity and specificity, the optimal STOP-Bang thresholds for the Chinese, Indian, Malay, and Caucasian groups were determined to be 4 or greater. Conclusions: For predicting moderate-to-severe OSA, we recommend BMI threshold of 27.5 kg/m2 for Chinese and Indian patients and 35 kg/m2 for Malay and Caucasian patients. The optimal STOP-Bang threshold for the Chinese, Indian, Malay and Caucasian groups is 4 or greater. © 2021 American Academy of Sleep Medicine. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Body mass index; Obstructive sleep apnea; Screening tool; STOP-Bang questionnaire; Surgery
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 May 2021 00:39
Last Modified: 04 May 2021 00:39
URI: http://eprints.um.edu.my/id/eprint/25941

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