Related Variables
| event | Event type | Clinical Data/Incident Outcomes/Cardiovascular Diseases | |
| oai4p |
Obstructive Apnea Index: (Obstructive apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Calculated - Summary metric of sleep disordered breathing events |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| rdi4p |
Apnea-Hypopnea Index: Apneas with >=4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >=4% oxygen desaturation and with or without arousal / hour of sleep from type II polysomnography
Ratio of the count of all apneas (central and obstructive) and hypopneas associated with at least a >=4% oxygen desaturation to the total sleep time |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| rdi4pns |
Apnea-Hypopnea Index (Non-Supine): Apneas with >=4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >=4% oxygen desaturation and with or without arousal / hour of sleep in non-supine position from type II polysomnography
Calculated - Summary metric of sleep disordered breathing events |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
| rdinr4p |
Apnea-Hypopnea Index (NREM): Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal / hour of NREM sleep from type II polysomnography
Calculated - Summary metric of sleep disordered breathing events |
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices |