TABLE 6.

Rank-ordered distributions of the 20 identified VDT variables.

Rank	VDT variable units	All cases (N = 62)		HAND: Present (n = 35)		HAND: Absent (n = 27)		Abs% median difference	Fivefold median KW H-value	Fivefold median KW p-value
		Median	IQR	Median	IQR	Median	IQR
1	Mph/sec2	−1.14	13.60	−4.52	8.40	3.81	13.56	184%	10.06	0.002
2	Count	0.00	1.00	0.00	1.00	0.00	0.50	UNDEF	9.52	0.002
3	Meters	1.73	0.50	1.74	0.04	1.36	0.69	22%	9.42	0.002
4	Meters	0.58	0.51	0.75	0.40	0.38	0.33	49%	9.06	0.003
5	Mph/sec	0.19	1.72	0.59	1.07	−0.45	1.77	176%	8.94	0.003
6	Count	0.50	2.00	1.00	2.00	0.00	1.00	100%	8.43	0.004
7	Count	1.00	1.75	1.00	3.00	0.00	1.00	100%	7.55	0.006
8	Error Point	32.50	36.50	46.00	66.50	27.00	26.00	41%	7.33	0.007
9	Mph	−35.05	9.42	−28.49	14.97	−35.10	0.25	23%	7.33	0.007
10	Mph/sec	−2.65	6.41	−2.13	2.64	−4.78	6.98	124%	7.22	0.007
11	Mph/sec2	22.24	51.54	18.22	20.06	38.92	64.42	114%	7.17	0.007
12	Degrees	0.99	1.34	1.30	1.64	0.58	0.54	55%	7.17	0.007
13	Meters	−4.17	4.75	−6.47	8.08	−3.48	2.58	46%	7.11	0.008
14	% Rotation	0.01	0.01	0.02	0.02	0.01	0.01	50%	6.90	0.009
15	% Time	0.87	0.31	0.77	0.41	0.98	0.16	27%	6.79	0.009
16	Count	0.00	0.75	0.00	1.00	0.00	0.00	UNDEF	6.44	0.011
17	% Rotation	−0.02	0.02	−0.03	0.02	−0.02	0.01	33%	6.33	0.012
18	% Time	1.00	0.00	1.00	0.14	1.00	0.00	0%	6.17	0.013
19	Degrees	3.46	2.92	4.21	3.40	2.83	1.90	33%	6.08	0.014
20	Degrees	1.78	1.90	1.99	2.22	1.53	1.12	23%	5.14	0.023