ahi_ap0uhp5x3r_f1t1 - Search - Sleep Data - National Sleep Research Resource

Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography

ahi_a0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (pediatric). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007] Search for all AHI variables consistent with the clinical guidelines within this dataset

Apnea-Hypopnea Index : (All apneas + hypopneas with >=50% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep

nsrr_ahi_hp3r_aasm07 under Harmonized/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Harmonized by the NSRR team. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (alternative). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007]Refer to the source for detailed definition for respiratory events: :ahi_a0h3a:

Percentage duration of sleep associated with apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography

pcstahda under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables