Related Variables
oai0p |
Obstructive apnea index (all obstructives with all desaturations)
Obstructive apnea index [(total number of obstructive apneas associated with all desaturations) / (hours of sleep)]. will be missing if total sleep time is 0. |
Sleep/Polysomnography/Respiratory Events/Indexes | |
omahi3 |
CHAT AHI (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with 3% or arousal) no centrals
CHAT apnea hypopnea index {[(total number of obstructive apneas) + (total number of mixed apneas) + (total number of hypopneas associated with >= 3% desaturation or arousal)] / (hours of sleep)}. will be missing if total sleep time is 0. |
Sleep/Polysomnography/Respiratory Events/Indexes |