Related Variables
| canbp4 | Number of central apnea (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central | |
| canop4 | Number of central apnea (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central | |
| manrbp4 | Number of mixed apnea (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Mixed | |
| manrop4 | Number of mixed apnea (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Mixed | |
| oanbp4 | Number of obstructive apnea (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Obstructive | |
| oanop4 | Number of obstructive apnea (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Obstructive | |
| hnrbp4 | Number of hypopnea (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
| hnrop4 | Number of hypopnea (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation) | Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea | |
| overall | Overall study grade | Sleep/Polysomnography (PSG)/Signal Quality | |
| minremp |
Time in rapid eye movement sleep (REM)
Total time scored as rapid eye movement sleep (REM), rounded to nearest minute (use calculated variable - sleep wake studies screened out) |
Sleep/Polysomnography (PSG)/Sleep Architecture | |
| slpprdp |
Total sleep time (TST)
Total time from lights out to lights on that is scored as sleep |
Sleep/Polysomnography (PSG)/Sleep Architecture |