Table 1 Description of HSAT parameters
From: Correlation between dental arch form and OSA severity in adult patients: an observational study
Apnea-hypopnea index (AHI) | The number of apnea and hypopnea events per hour of sleep. It defined the OSA severity as followed: mild, 5–14.9; moderate, 15–30; severe, > 30. An AHI of < 5 was considered normal |
Oxygen desaturation index (ODI) | The number of times that oxygen desaturates by 4% per hour of sleep |