PURPOSE:To explore the risk factors for obstructive sleep apnea in snoring adults.METHODS:A cross-sectional study was conducted in 1 155 adult snoring patients who were overnight polysomnography(PSG)monitored for obstructive sleep apnea(OSA)from January 2012 to October 2021 in Sleep Medicine Center of Shanghai Ninth People's Hospital.The patients were divided into two groups based on apnea hypopnea index(AHI):non-OSA and OSA groups.The prevalence and risk factors of OSA were analyzed.RESULTS:The prevalence of OSA was 88.23％,and the male to female ratio was 4.12∶1.The risk factors for OSA in snoring adults were age,neck circumference/height ratio,gender and waist circumference,of which the thresholds were 30.5 years old,22.93,male,86.25 cm.WRAG-N was proposed to predict OSA,with an AUC of 0.789,a sensitivity of 87.2％,and a specificity of 29.4％.CONCLUSIONS:For adult snoring population,the risk factors for OSA were over 30 years old,male and waist circumference greater than 86.25 cm.Meanwhile,neck circumference/height ratio is one of the key risk factors for OSA.WRAG-N,innovatively proposed as the predictive tool for OSA,may help communities screen OSA in high-risk snoring adults to provide efficient and high-quality diagnosis and treatment.
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