Related Variables
| ahi_a0h4 | AHI 4% - all apneas and hypopneas with >=4% oxygen desaturation | Sleep/Polysomnography/Respiratory Events/Indexes | |
| ahi_c0h4 | Central AHI 4% - central apneas and hypopneas with >=4% oxygen desaturation | Sleep/Polysomnography/Respiratory Events/Indexes | |
| oahi4 |
Obstructive apnea (all desaturations) hypopnea (4% desaturation) index
Obstructive apnea hypopnea index {[(total number of obstructive apneas) + (total number of hypopneas associated with >= 4% desaturation)] / (hours of sleep)} |
Sleep/Polysomnography/Respiratory Events/Indexes | |
| rdim4p |
Overall RDI at 4% desaturation
RDI at 4% desaturation [(total number of apneas and hypopneas associated with >= 4% desaturation) / (hours of sleep)] |
Sleep/Polysomnography/Respiratory Events/Indexes | |
| rdim4pns |
Overall non-supine RDI at 4% desaturation
Non-supine RDI at 4% desaturation [(total number of apneas and hypopneas in non-supine body position associated with >= 4% desaturation) / (hours of sleep)] |
Sleep/Polysomnography/Respiratory Events/Indexes | |
| rdimrem4p |
Overall REM RDI at 4% desaturation
REM RDI at 4% desaturation [(total number of apneas and hypopneas in REM sleep associated with >= 4% desaturation) / (hours of REM sleep)] |
Sleep/Polysomnography/Respiratory Events/Indexes |