Table 1. Anthropometric characteristics and respiratory parameters during sleep.

	Mean ± SD	Minimum–Maximum
Age	50.1 ± 12.2	32.0–77.0
BMI (kg/m2)	35.2 ± 4.9	25.7–44.9
WC (cm)	114.11 ± 10.4	92.0–130.0
WHR	0.9 ± 0.08	0.7–1.1
AHI	61.4 ± 22.2	27.9–108.8
ODI	59.5 ± 20.8	27.5–103.7
T90%	34.9 ± 28.1	1.0–91.7
SpO2 mean (%)	88.00± 6.8	69.1–94.6

BMI: body mass index. WC: waist circumference. WHR: waist-to-hip ratio. AHI: apnea hypopnea index. ODI: oxygen desaturation index. T90%: time spent below SpO2 90%. SD: standard deviation.