Table 4.

Correlation between PLMS index or presence/absence of RLS and selected sleep architecture parameters in the whole group of 57 MS patients.

	PLMS Index		RLS/No RLS
	Partial Correlation	P <	Partial Correlation	P <
Total sleep time, min	−0.184	NS	0.061	NS
Stage shifts/h	0.168	NS	−0.022	NS
Awakenings/h	−0.015	NS	−0.034	NS
Sleep efficiency, %	−0.271	.044	−0.023	NS
Stage W, %	0.369	.0052	−0.002	NS
Stage N1, %	−0.182	NS	0.152	NS
Stage N2, %	0.102	NS	−0.128	NS
Stage N3, %	−0.180	NS	−0.121	NS
Stage R, %	−0.096	NS	0.023	NS

NS = not significant.