Table 3.

Linear regression of direct costs and factors affecting the cost.

Direct costs		Model	Parameter estimates	Std. Error	Sign.
Adjusted R2	0.373
Sign.	0.000
		Intercept	1027 757	99 650	0.000
		Mild aphasia	22 860	118 075	0.847
		Severe aphasia	314 928	111 617	0.007
		Walking	-217 887	126 288	0.092
		Motor ability (AMPS)	-4 446	66 068	0.947
		Process ability (AMPS)	-156 098	74 289	0.042