Table 5. Percentage of coordination for different AHI groups and sleep stages using abdominal (ABDO) and thoracic (THOR) signals.

	AHI≤15		15<AHI<30		AHI≥30
	ABDO	THOR	ABDO	THOR	ABDO	THOR
Awake	10.8±5.6%	8.3±4.5%	10.6±5.6%	7.9±3.8%	8.3±4.5%	6.3±3.6%
SS1	11.9±6.9%	10.7±5.5%	11.1±6.5%	9.4±4.4%	7.2±4.8%	7.8±4.5%
SS2	14.8±6.4%	13.7±6.1%	12.6±4.6%	11.9±4.7%	8.2±4.5%	8.3±4.2%
SW	18.7±7.8%	17.1±7.5%	14.4±4.8%	13.7±5.2%	13.3±5.4%	11.8±5.9%
REM	11.3±4.3%	10.1±4.7%	9.4±3.8%	8.7±3.8%	7.1±3.3%	6.9±4.6%