oahi - Search - Sleep Data - National Sleep Research Resource

Missing values in shhs1-dataset-0.7.0.cs

Reply by alexandertataraidze on November 25, 2015 on Forum

... AHI = cai4p + oahi. cai4p - https://sleepdata.org/datasets/shhs/variables/cai4p, oahi - https://sleepdata.org/datasets/shhs/variables/oahi. However, there are 698 unknown oahi values and 1398 unknown ... are defined as follows: oahi = 60 * ( ... should be unknown if oahi or cai4p are unknown, ...

SHHS1- Consistency with publications

Reply by mrueschman on September 13, 2017 on Forum

... in Redline 2010 that "OAHI" is referenced, and we ... have a variable named OAHI in the dataset. The ... apneas, so I'm guessing 'OAHI' was used. 'OAHI' mirrors with the more ...

Obstructive Apnea-Hypopnea Index: (All obstructive apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

oahi_oa0nhp3x3n_f1t3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in NUMOM2B variables

Calculated - Summary metric of sleep disordered breathing events.Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Obstructive Apnea-Hypopnea Index: (All obstructive apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and >= 4% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

oahi_oa0nhp3x4n_f1t3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in NUMOM2B variables

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]. Search for all AHI variables consistent with the same clinical guidelines within this dataset

Obstructive Apnea-Hypopnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography

oahi_oa0uhp3x3r_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events. The definition for hypopneas is consistent with the following clinical guidelines: (1) American Academy of Sleep Medicine (AASM) 2007 Manual (2012 update) (recommended). Berry RB et al. 2012 (PubMed ID:23066376), and (2) American Academy of Sleep Medicine (AASM) 2015 (recommended) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.] Search for all AHI variables consistent with the same clinical guidelines within this dataset

Obstructive Apnea-Hypopnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography

oahi_oa0uhp3x3u_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events.

Obstructive Apnea-Hypopnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography

oahi_oa0uhp3x4r_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events.

Obstructive Apnea-Hypopnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography

oahi_oa0uhp3x4u_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep

nsrr_oahi_hp3u under Harmonized/Polysomnography/Apnea-Hypopnea Indices in CCSHS variables

Harmonized by the NSRR team. Source: :ahi_o0h3:

Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep

nsrr_oahi_hp4u under Harmonized/Polysomnography/Apnea-Hypopnea Indices in CCSHS variables

Harmonized by the NSRR team. Source: :ahi_o0h4:

Definition of OAHI in the SHHS variable

Reply by windang on April 5, 2017 on Forum

... Mrueschman In the dataset, OAHI was defined as OAHI = 60 * ( ...

Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography

ahi_o0h4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.] Search for all AHI variables consistent with the same clinical guidelines within this dataset

3-03-chat-data-analysis-tip-sheet.md

Childhood Adenotonsillectomy Trial

... (adding 0.010): Sleep Efficiency, OAHI, OAMHI, avgsat, minsat. The ...

Missing values in shhs1-dataset-0.7.0.cs

Reply by mrueschman on November 25, 2015 on Forum

... missingness in cai4p and oahi. These variables have been ...

Definition of OAHI in the SHHS variable

Reply by mrueschman on April 5, 2017 on Forum

... a >=4% desaturation. For OAHI and other, newer variables ...

Definition of OAHI in the SHHS variable

Reply by windang on April 7, 2017 on Forum

... appropriate variables would be OAHI and AHI (ahi_a0h4)? I ...