Table 4. Correlation matrix (Pearson's r) showing associations between formal and informal costs during the two six-monthly periods following discharge and age, impairments, needs for services and disability (N = 152).

	Costs 0–6 months		Costs 7–12 months
	Formal	Informal	Formal	Informal
Age	−0.16	0.02	−0.27**	0.13
NIS motor score	0.27**	0.21*	0.41***	0.16
NIS cognitive score	0.19*	0.24**	0.17*	0.17*
NPCS total needs	0.30***	0.16*	0.31***	0.12
NPDS total score at discharge	0.36***	0.26**	-	-
NPDS total score at six months	-	-	0.46***	0.09

*P<0.05,

**P<0.01,

***P<0.001.