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KMID : 1034320210120010028
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Sleep Medicine Research
2021 Volume.12 No. 1 p.28 ~ p.35
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Evaluation of a Modified STOP-BANG Questionnaire for Sleep Apnea in Adults from the Korean General Population
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Shin Chol
Baik In-Kyung
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Abstract
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Background and Objective: There are few studies assessing diagnostic accuracy of the STOP-BANG questionnaire, which is a screening tool for detecting obstructive sleep apnea (OSA), in the general population. Our study aimed to develop a modified version of this screening questionnaire and compare its diagnostic accuracy to the standard version in general Korean adults.
Methods: A cross-sectional polysomnographic study was conducted among 2065 male and female participants aged 48?79 years, who were members of a population-based cohort study. Half of them were assigned to the exploratory sample and the other half to the validation sample.
Results: In this study, 958 individuals (487 in an exploratory sample) were identified to have OSA. To develop a model in an exploratory sample, stepwise analysis was used with information from the standard version and additional variables; snoring, witnessed breathing cessation, hypertension, body mass index > 25 kg/m2, age groups, male, diabetes, and waist circumference > 85 cm were included in a final modified model. In the evaluation of diagnostic accuracy in a validation sample, the modified model showed higher sensitivity [79.1%, 95% confidence interval (CI): 77.3, 80.9] in detecting severe OSA than that of the standard version model (66.0%, 95% CI: 64.0, 68.0). Overall accuracy indicated as area under the receiver-operating characteristic curve for the modified model was greater (p = 0.001) than that of the standard version model.
Conclusions: These findings suggest that the modified version of the STOP-BANG questionnaire may be useful in detecting severe OSA in general adults.
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KEYWORD
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Obstructive sleep apnea, Mass screening, Polysomnography
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