Table 1.

Correlation analysis between total SNoRE 3.0 scores and Sleep architecture variables measured by polysomnographic recordings. Statistically significant correlations are indicated by an *.

	Total		Factor 1		Factor 2
	Spearman ρ	p value	Spearman ρ	p value	Spearman ρ	p value
Latency to drowsiness (min)	0.103	0.548	0.241	0.156	− 0.104	0.544
Latency to NREM sleep (min)	0.507	0.003*	0.545	0.001*	0.210	0.234
Latency to REM sleep (min)	0.139	0.516	0.154	0.471	− 0.130	0.545
Time in wakefulness (%)	0.167	0.315	0.253	0.125	0.024	0.887
Time in drowsiness (%)	− 0.120	0.471	− 0.185	0.267	− 0.047	0.778
Time in NREM sleep (%)	− 0.301	0.066	− 0.308	0.060	− 0.136	0.414
Time in REM sleep (%)	− 0.204	0.219	− 0.239	0.147	− 0.085	0.614
Sleep efficiency (%)	− 0.268	0.103	− 0.276	0.093	− 0.143	0.393