Abstract
Purpose
This study aimed to develop a machine learning–based questionnaire (BASH-GN) to classify obstructive sleep apnea (OSA) risk by considering risk factor subtypes.
Methods
Participants who met study inclusion criteria were selected from the Sleep Heart Health Study Visit 1 (SHHS 1) database. Other participants from the Wisconsin Sleep Cohort (WSC) served as an independent test dataset. Participants with an apnea hypopnea index (AHI) ≥ 15/h were considered as high risk for OSA. Potential risk factors were ranked using mutual information between each factor and the AHI, and only the top 50% were selected. We classified the subjects into 2 different groups, low and high phenotype groups, according to their risk scores. We then developed the BASH-GN, a machine learning–based questionnaire that consists of two logistic regression classifiers for the 2 different subtypes of OSA risk prediction.
Results
We evaluated the BASH-GN on the SHHS 1 test set (n = 1237) and WSC set (n = 1120) and compared its performance with four commonly used OSA screening questionnaires, the Four-Variable, Epworth Sleepiness Scale, Berlin, and STOP-BANG. The model outperformed these questionnaires on both test sets regarding the area under the receiver operating characteristic (AUROC) and the area under the precision-recall curve (AUPRC). The model achieved AUROC (SHHS 1: 0.78, WSC: 0.76) and AUPRC (SHHS 1: 0.72, WSC: 0.74), respectively. The questionnaire is available at https://c2ship.org/bash-gn.
Conclusion
Considering OSA subtypes when evaluating OSA risk may improve the accuracy of OSA screening.
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Data availability
The datasets analyzed during the current study are publicly accessible via https://sleepdata.org/datasets/shhs and https://sleepdata.org/datasets/wsc.
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Funding
National Science Foundation (#2052528) and National Heart, Lung, and Blood Institute (#R21HL159661-01) provided financial support in the form of research funding. The sponsor had no role in the design or conduct of this research.
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Dr. Quan is a consultant from Bryte Bed, Whispersom, DR Capital and Best Doctors. Other authors have nothing to disclose.
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Huo, J., Quan, S.F., Roveda, J. et al. BASH-GN: a new machine learning–derived questionnaire for screening obstructive sleep apnea. Sleep Breath 27, 449–457 (2023). https://doi.org/10.1007/s11325-022-02629-8
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DOI: https://doi.org/10.1007/s11325-022-02629-8