Name
nsrr_ahi_hp3r_aasm15
Label
Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep
Description

Harmonized by the NSRR team.

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.]

Refer to the source for detailed definition for respiratory events: ahi_a0h3a

Units
events per hour
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,804 17.9 ± 16.1 13.2 0.0 161.8 - 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 18.4 ± 16.4 13.6 0.0 118.4 1,660 4,311
CVD Outcomes - - - - - - - -