Related Variables

	ahi_ap0nhp3x3n_f1t3	Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used + hypopneas with > 30% flow reduction and with >= 3% 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)	Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices

Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be