We've updated our privacy policy.

Apnea, Bariatric surgery, and CPAP study

Name Label Folder
ahi_a0uh3x3u
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation and with or without arousal) / hour of sleep

Calculated

Polysomnography (PSG)
ahi_a0uh3x4u
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation and with or without arousal) / hour of sleep
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation and with or without arousal) / hour of sleep

Calculated

Polysomnography (PSG)
slppcto2lt90
Percent of sleep time with oxygen saturation < 90%
Percent of sleep time with oxygen saturation < 90% Polysomnography (PSG)
slptimetotal
Total sleep time
Total sleep time Polysomnography (PSG)
ahi_a0uh3x3r
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation or with arousal) / hour of sleep
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation or with arousal) / hour of sleep

Calculated

Polysomnography (PSG)
ahi_a0uh3x4r
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation or with arousal) / hour of sleep
Apnea-Hypopnea Index: (all apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation or with arousal) / hour of sleep

Calculated

Polysomnography (PSG)
avghr
Average heart rate during sleep time
Average heart rate during sleep time Polysomnography (PSG)
avgsat
Average oxygen saturation during sleep time
Average oxygen saturation during sleep time Polysomnography (PSG)
cahi_c0uh3x3r
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation or with arousal) / hour of sleep
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation or with arousal) / hour of sleep

Calculated

Polysomnography (PSG)
cahi_c0uh3x3u
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation and with or without arousal) / hour of sleep
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation and with or without arousal) / hour of sleep

Calculated

Polysomnography (PSG)
cahi_c0uh3x4r
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation or with arousal) / hour of sleep
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation or with arousal) / hour of sleep

Calculated

Polysomnography (PSG)
cahi_c0uh3x4u
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation and with or without arousal) / hour of sleep
Central Apnea-Hypopnea Index: (central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation and with or without arousal) / hour of sleep

Calculated

Polysomnography (PSG)
cai_c0u
Central Apnea Index: central apneas with no oxygen desaturation threshold used and with or without arousal / hour of sleep
Central Apnea Index: central apneas with no oxygen desaturation threshold used and with or without arousal / hour of sleep

Calculated

Polysomnography (PSG)
hi_h3x0u
Hypopnea Index: hypopneas with >30% airflow reduction and with no oxygen desaturation threshold used and with or without arousal / hour of sleep
Hypopnea Index: hypopneas with >30% airflow reduction and with no oxygen desaturation threshold used and with or without arousal / hour of sleep

Calculated

Polysomnography (PSG)
minsat
Minimum oxygen saturation during sleep time
Minimum oxygen saturation during sleep time Polysomnography (PSG)
oahi_o0uh3x3r
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation or with arousal) / hour of sleep
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation or with arousal) / hour of sleep

Calculated

Polysomnography (PSG)
oahi_o0uh3x3u
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation and with or without arousal) / hour of sleep
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 3% desaturation and with or without arousal) / hour of sleep

Calculated

Polysomnography (PSG)
oahi_o0uh3x4r
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation or with arousal) / hour of sleep
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation or with arousal) / hour of sleep

Calculated

Polysomnography (PSG)
oahi_o0uh3x4u
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation and with or without arousal) / hour of sleep
Obstructive Apnea-Hypopnea Index: (obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% airflow reduction and with > 4% desaturation and with or without arousal) / hour of sleep

Calculated

Polysomnography (PSG)
oai_o0u
Obstructive Apnea Index: obstructive apneas with no oxygen desaturation threshold used and with or without arousal / hour of sleep
Obstructive Apnea Index: obstructive apneas with no oxygen desaturation threshold used and with or without arousal / hour of sleep

Calculated

Polysomnography (PSG)
slppctn1
Percent of sleep time in stage 1 sleep
Percent of sleep time in stage 1 sleep Polysomnography (PSG)
slppctn2
Percent of sleep time in stage 2 sleep
Percent of sleep time in stage 2 sleep Polysomnography (PSG)
slppctn34
Percent of sleep time in stage 3-4 sleep
Percent of sleep time in stage 3-4 sleep Polysomnography (PSG)
slppcto2lt75
Percent of sleep time with oxygen saturation < 75%
Percent of sleep time with oxygen saturation < 75% Polysomnography (PSG)
slppcto2lt80
Percent of sleep time with oxygen saturation < 80%
Percent of sleep time with oxygen saturation < 80% Polysomnography (PSG)
slppcto2lt85
Percent of sleep time with oxygen saturation < 85%
Percent of sleep time with oxygen saturation < 85% Polysomnography (PSG)
slppctrem
Percent of sleep time in REM sleep
Percent of sleep time in REM sleep Polysomnography (PSG)
slptimen1
Time in stage 1 sleep
Time in stage 1 sleep Polysomnography (PSG)
slptimen2
Time in stage 2 sleep
Time in stage 2 sleep Polysomnography (PSG)
slptimen34
Time in stage 3-4 sleep
Time in stage 3-4 sleep Polysomnography (PSG)
slptimerem
Time in REM sleep
Time in REM sleep Polysomnography (PSG)