. Author manuscript; available in PMC: 2019 Jun 5.

Published in final edited form as: Mov Disord. 2013 Dec 3;29(2):252–255. doi: 10.1002/mds.25706

Table 2. Descriptive data and statistics for between group comparisons for all gait variables (median (quartiles)).

Gait Domain	Variables	Controls	SCA6^Pre	SCA6^Clin	Kruskal-Wallis test (p)	Control v SCA6^Pre (p)	Control v SCA6^Clin (p)	SCA6^Pre v SCA6^Clin (p)
Pace	Step velocity (m.s^-1)	1.47 (1.34, 1.64)	1.50 (1.27, 1.59)	.95 (.80, 1.19)^* ^ƚ	*< .001*	.751	*< .001*	*.002*
	Step length (m)	.76 (.69, .80)	.75 (.65, .80)	.55 (.42, .66)^* ^ƚ	*< .001*	.510	*< .001*	*.015*
Rhythm	Cadence (steps.min^-1)	119 (112, 128)	117 (112, 123)	103 (98, 109)^* ^ƚ	*< .001*	.827	*< .001*	*.002*
Asymmetry	Step time asymmetry (ms)	5.75 (1.97, 1.31)	3.82 (1.47, 11.26)	12.66 (8.94, 16.64)^* ^ƚ	.010	.751	*.007*	*.015*
Variability	Step length variability (m)	.013 (.011, .017)	.020 (.014, .025)^*	.032 (.024, .041)^* ^ƚ	*< .001*	.053	*< .001*	*.001*
	Step time variability (ms)	10.26 (8.35, 12.31)	12.67 (11.14, 16.18)^*	24.43 (19.02, 38.44)^* ^ƚ	*< .001*	*.023*	*< .001*	*.015*
Postural	Step width (m)	.085 (.063, .100)	.087 (.052, .101)	.136 (.100, .193)^* ^ƚ	*< .001*	.827	*< .001*	*.002*
	Step width variability (m)	.016 (.014, .019)	.024 (.020, .025)^*	.022 (.019, .032)^*	*< .001*	*.004*	*< .001*	.974
	Step length asymmetry (m)	.012 (.004, .021)	.017 (.004, .033)	.022 (.007, .045)	.145	.419	.061	.415

Raw p values are presented. Significant group differences after Holm-Bonferroni corrections are highlighted in bold italics;

= significant difference from controls;

^ƚ

= a significant difference from SCA6^Pre.