. 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 3.

Results of kinematic arm reaching with dominant hand.

	Average Healthy Control Score (SD)	Average Mild Ataxia Score (SD)	Average Severe Ataxia Score (SD)	P-Value	Effect Size
Length Ratio^*	1.18 (.08)	1.17 (.13)	1.59 (.41)	<.01	.71
Number of submovements^*	1.22 (.10)	1.39 (.26)	1.91 (.60)	<.01	.74
Precision in mm²^**	.18 (.07)	.34 (.17)	.48 (.15)	<.01	.91
Accuracy in mm	6.1 (1.32)	6.0 (1.70)	6.4 (3.82)	.95	.06
Submovement Precision in mm²^*	.38 (.13)	1.02 (.58)	4.4 (5.54)	.01	.52
Submovement Accuracy in mm^***	6.3 (5.21)	15.0 (6.34)	40.5 (51.38)	.03	.47

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