obstructive - Search - Sleep Data - National Sleep Research Resource

Obstructive Apnea Index (OAI) < 1 and Apnea-Hypopnea Index (AHI) < 2 (normal range) = 1 Ineligible Normal

ahilt2 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

Obstructive Apnea Index (OAI) > 15 or Apnea-Hypopnea Index (AHI) > 20 = 1 Surgeon Alert

ahiov20 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

Urgent Referral - Obstructive Apnea Index (OAI) > 20 or Apnea-Hypopnea Index (AHI) > 30 = 1 Urgent Ineligible

ahiov30 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

Obstructive apnea index (OAI)

qsoai under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

Recorded by the scorer on QS form

Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography

cent_obs_ratio under Sleep Monitoring/Polysomnography/Respiratory Event Counts in MESA variables

Calculated

Ratio of the number of central apneas with no oxygen desaturation threshold used or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used or with arousal from type II polysomnography

cent_obs_ratioa under Sleep Monitoring/Polysomnography/Respiratory Event Counts in MESA variables

Calculated

Total number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal during REM sleep in non-supine position from type II polysomnography

oarop5 under Sleep Monitoring/Polysomnography/Respiratory Event Counts in MESA variables

Average length of obstructive apneas with no oxygen desaturation threshold and with or without arousal from type II polysomnography

oavgdur5 under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in MESA variables

Sleep Apnea: Self-reported diagnosis by a physician

slpapnea5 under Sleep Questionnaires/Sleep Disorder in MESA variables

Original question: 21a. Have you been told by a doctor that you have any of the following: Sleep Apnea (or obstructive sleep apnea, OSA)?

polysomnography-introduction.md

Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be

... for distinguishing central from obstructive apneas and as a ...

README.md

Home Positive Airway Pressure

... diagnosis and treatment of obstructive sleep apnea: the HomePAP ...

README.md

Childhood Adenotonsillectomy Trial

... with mild to moderate obstructive sleep apnea randomized to ...

README.md

Cleveland Family Study

... The familial aggregation of obstructive sleep apnea. Am J ...

README.md

Sleep Disordered Breathing, ApoE and Lipid Metabolism

... such as central versus obstructive event counts. The primary ...

Matt Butler - Researcher Showcase

Posted by remomueller on June 11, 2015 in Showcase

... have done? Matt Butler: Obstructive sleep apnea (OSA) is ...

Harmonizing sleep and circadian data: why is it important?

Posted by ksparks on October 3, 2022 in Guest Blogger

... diagnostic confirmation (e.g., moderate-severe obstructive sleep apnea without predominant ...

Sleep apnea endotypes: from the physiological laboratory to scalable polysomnographic measures

Posted by szhivotovsky on January 24, 2024 in Guest Blogger

Overview: Four key obstructive sleep apnea (OSA) endotypic ...

SHHS XML Annotations

Reply by woranatwongdhamma on June 20, 2014 on Forum

... respiratory event annotations, hypopnea, obstructive apnea, central apnea). The ...

Way to check sleep stage

Reply by jaspalsingh on April 27, 2015 on Forum

... to distinguish between the obstructive vs central vs other ...

SHHS parent cohorts

Reply by sonjaschuetz1 on July 21, 2016 on Forum

... Epidemiologic Study of Airways Obstructive Diseases and the Health ...

Research protocol in HeartBEAT dataset

Reply by markgardner on January 31, 2017 on Forum

... CPAP versus oxygen in obstructive sleep apnea. The New ...

AHI to resemble AASM 2012 rules

Reply by margotdeviaene on April 21, 2017 on Forum

... account all (central and obstructive) apneas, together with hypopneas ...

SHHS resp. events: Arous. & Desats

Reply by mrueschman on January 17, 2018 on Forum

... get a count of "obstructive apneas with arousals but ...

SHHS resp. events: Arous. & Desats

Reply by stephaniemarvin on January 17, 2018 on Forum

... obtain a count of "obstructive apneas with arousals but ...

STAGES PSG Data Names

Reply by mrueschman on December 2, 2021 on Forum

... n_obs -> number of obstructive apneas), average event lengths ...