Related Variables
| cai4p | Central Apnea Index 4% oxygen desaturation | Measurements/PSG/Respiratory Events/Indexes | |
| rdi4p |
Overall RDI at 4% oxygen desaturation
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 expressed in hours |
Measurements/PSG/Respiratory Events/Indexes | |
| rdi4pns | Overall RDI (non-Supine) at 4% oxygen desaturation | Measurements/PSG/Respiratory Events/Indexes | |
| rdirem4p | Overall RDI (REM) at 4% oxygen desaturation | Measurements/PSG/Respiratory Events/Indexes |