Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with no oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Calculated - Summary metric of sleep disordered breathing events.
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
events per hour