Related Variables

rdi0pa Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used only with arousal + hypopneas with > 30% flow reduction and with no oxygen desaturation used only with arousal) / hour of sleep from type I polysomnography

Calculated - Summary metric of sleep disordered breathing events.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
position Sleep Diary: position slept in most during study Sleep Monitoring/Polysomnography/Evening and Morning Survey
cent_obs_ratioa Ratio of the number of central apneas with no oxygen desaturation threshold used or with arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type I polysomnography Sleep Monitoring/Polysomnography/Respiratory Event Counts