Table 1.

Anthropometric and Polysomnographic Measurements in OSA and Healthy Control Subjects

	OSA (n = 11)	Control (n = 11)
Age (y)	56 ± 13	59 ± 9
BMI (kg/m2)	27.9 ± 1.0	25.9 ± 1.7
AHI (events/h)	39.6 ± 19.1*	3.3 ± 2.5
Supine AHI (events/h)	53.7 ± 22.2*	9.2 ± 9.2
NREM (events/h)	55.1 ± 23.4*	9.2 ± 9.2
REM (events/h)	52.9 ± 21.6*	4.1 ± 10.3
Lateral Recumbent AHI (events/h)	23.8 ± 21.6*†	1.0 ± 1.0†
NREM (events/h)	25.8 ± 22.0*†	0.5 ± 0.6†
REM (events/h)	38.0 ± 13.9*†	2.4 ± 2.8†

Values are mean ± SD.

^*P < 0.05 vs control

^†P < 0.01 vs equivalent when supine; BMI, body mass index; AHI, apnea hypopnea index.