Table 4.

Correlations of Polysomnography and Actigraphy sleep parameters

	ACTG wake time	ACTG TST	ACTG sleep percentage	ACTG awakening	ACTG fragmentation index
PSG Wake time	0.769**	0.052	0.045	0.408**	0.338*
PSG TST	− 0.079	0.873**	0.375*	0.323*	− 0.262
PSG sleep percentage	− 0.233	0.687**	0.411*	0.269	− 0.359*
PSG awakening	0.298*	0.308*	0.139	0.227*	0.052
PSG arousal index	0.257	− 0.204	− 0.051	0.101	0.322*

**p < 0.00; *p < 0.05