. Author manuscript; available in PMC: 2020 Aug 12.

Published in final edited form as: J Sleep Res. 2018 Aug 30;28(5):e12756. doi: 10.1111/jsr.12756

TABLE 1.

Anthropometric and sleep data of the study subjects. AHI and SO₂ data were obtained from conventional sleep studies performed before the current study

		Healthy
	OSA (n = 8)	Older (n = 7)	Young (n = 5)
AHI	58.4 ± 9.4	7.6 ± 2.0^***	3.8 ± 1.2^***
BMI	33.5 ± 4.8	27.2 ± 3.5^*	23.6 ± 1.5^**
Age	53.6 ± 8.7	52.6 ± 10.0	21.2 ± 0.4^***
Lowest SO₂	75.4 ± 8.5	90.4 ± 2.1^***	93.8 ± 1.1^**
%time SO₂<90%	18.9 ± 19.1	0.2 ± 0.5^**	0^*

Note. OSA, obstructive sleep apnea; AHI, apnea/hypopnea index; SO₂, oxygen saturation; Pcrit, critical pressure.

p < 0.05,

^**

p < 0.01,

^***

p < 0.001 for comparison with OSA.