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Hypopnea Index: (hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
under Sleep Monitoring/Polysomnography in
Calculated - Summary metric of sleep disordered breathing events.
Number of Hypopnea (Non-Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test
under Sleep Monitoring/Polysomnography/Respiratory Event Counts in
National Sleep Research Resource
Funded By NHLBI