Table 2.

Proportions of variance for each component within the items of SARA

Item	Component revealed
	1	2
1 Gait	0.900
2 Stance	0.812
4 Speech	0.800
7 Fast alternating hand movement	0.632
8 Heel-shin slide	0.585	0.425
5 Finger chase		0.807
6 Nose–finger test		0.734
3 Sitting	0.487	0.631