Related Variables

	ahi_a0h4a	AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal	Measurements/Polysomnography/Respiratory Events/Indexes
	ahi_c0h4a	Central AHI 4% -- central apneas and hypopneas with >=4% oxygen desaturation or arousal	Measurements/Polysomnography/Respiratory Events/Indexes
	ahi_o0h4a	Obstructive AHI 4% -- obstructive apneas and hypopneas with >=4% oxygen desaturation or arousal	Measurements/Polysomnography/Respiratory Events/Indexes
	rdi4pa	Overall RDI at 4% oxygen desaturation or arousal	Measurements/Polysomnography/Respiratory Events/Indexes