Related Variables
event | Event type | Clinical Data/Incident Outcomes/Cardiovascular Diseases | |
ahi_a0h4a | Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep | Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_c0h4a | Central Apnea-Hypopnea Index (AHI) >= 4% - number of [central apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep | Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
ahi_o0h4a | Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep | Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices | |
rdi4pa | Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal | Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices |