Related Variables
| ahi_a0h3a | AHI 3% - all apneas and hypopneas with >=3% oxygen desaturation or arousal | Sleep/Polysomnography/Respiratory Events/Indexes | |
| ahi_c0h3a | Central AHI 3% - central apneas and hypopneas with >=3% oxygen desaturation or arousal | Sleep/Polysomnography/Respiratory Events/Indexes | |
| ahi_o0h3a | Obstructive AHI 3% - obstructive apneas and hypopneas with >=3% oxygen desaturation or arousal | Sleep/Polysomnography/Respiratory Events/Indexes | |
| hi | Hypopnea Index >= 3% desaturation or arousal | 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 | |
| omahi3b |
Supine CHAT AHI (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with 3% or arousal)
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 | |
| omahi3nr |
Non-REM CHAT AHI (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with 3% or arousal)
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 | |
| omahi3o |
Non-supine CHAT AHI (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with 3% or arousal)
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 | |
| omahi3r |
REM CHAT AHI (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with 3% or arousal)
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 | |
| rdim3pa |
Overall RDI at 3% desaturation or arousal
RDI with arousals at 3% desaturation [(total number of apneas and hypopneas with arousal associated with >= 3% desaturation) / (hours of sleep)] |
Sleep/Polysomnography/Respiratory Events/Indexes |