. Author manuscript; available in PMC: 2020 Sep 11.

Published in final edited form as: Am J Phys Med Rehabil. 2020 Sep;99(9):795–800. doi: 10.1097/PHM.0000000000001411

Table 4.

Results of kinematic arm reaching with non-dominant hand.

	Average Healthy Control Score (SD)	Average Mild Ataxia Score (SD)	Average Severe Ataxia Score (SD)	P-Value	Effect Size
Length Ratio^*	1.25 (.07)	1.29 (.17)	1.47 (.24)	.01	.52
Number of submovements^***	1.33 (.18)	1.77 (.75)	1.89 (.51)	.03	.55
Precision in mm²^****	.18 (.04)	.51 (.35)	.64 (.16)	<.01	.91
Accuracy in mm	6.3 (1.43)	8.8 (5.92)	7.1 (1.62)	.24	.28
Submovement Precision in mm²^**	.47 (.19)	1.30 (.44)	2.05 (.92)	<.01	1.10
Submovement Accuracy in mm^****	5.7 (3.68)	18.0 (14.03)	25.8 (12.41)	<.01	.78

SD: standard deviation; mm: millimeters

Means of healthy control verse severe ataxia and mild ataxia verse severe ataxia differ. Means of healthy control verse mild ataxia not significantly different.

^**

Means of healthy control verse mild and severe ataxia differ. Means of mild and severe ataxia differ.

^***

Means of healthy control verse severe ataxia differ. Means of mild ataxia verse healthy control and severe ataxia not significantly different.

^****

Means of healthy control verse mild and severe ataxia differ. Means of mild and severe ataxia are not significantly different