Related Variables
| ahi_a0h4 |
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| ahi_c0h4 |
Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| ahi_o0h4 |
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| rdim4p |
Apnea-Hypopnea Index: (Apneas with >= 4% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
[(total number of apneas and hypopneas associated with >= 3% desaturation) / (hours of sleep)] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| rdim4ps |
Apnea-Hypopnea Index (Supine): (Apneas with >= 4% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used and with or without arousal) / hour of sleep in supine from type I polysomnography
[(total number of apneas and hypopneas in supine body position associated with >= 3% desaturation) / (hours of sleep)]. will be missing if no time supine or low position sensor quality. |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| rdimrem4p |
Apnea-Hypopnea Index (REM): (Apneas with >= 4% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
[(total number of apneas and hypopneas in rapid eye movement sleep (REM) associated with >= 4% desaturation) / (hours of rapid eye movement sleep (REM))] |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices |