Name
nsrr_ahi_hp4u_aasm15
Label
Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of estimated sleep
Description

Harmonized by the NSRR team.

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.].

Data collected with no EEGs. Refer to the source for detailed definition for respiratory events: ahi_ap0nhp3x4n_f1t3

Units
events per hour
Type
numeric
A4b. Visit of Sleep Study vs Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of estimated sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 0.4 ± 1.3 0.1 0.0 30.7 - 3,012
Visit 3 - - - - - - - -