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.]. Refer to the source for detailed definition for respiratory events: :ahi: at Baseline