Table 3.

Descriptive statistics (mean and standard error) for the symmetry indices for the autism and age-matched control group.

		Ratio		SIavg		SIrlr		SIrll		SA		GA
		Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE
Cadence	Control	1.02	0.01	6.84	0.97	6.59	1.00	7.33	0.96	29.0	0.44	6.88	0.98
	Autism	1.09	0.05	10.57	3.74	9.42	3.08	12.29	4.74	30.72	1.37	10.66	3.80
Stride length	Control	0.98	0.03	11.17	1.86	11.59	1.88	11.12	1.96	27.5	0.81	11.23	1.87
	Autism	0.98	0.03	8.72	1.80	9.03	1.98	8.52	1.70	27.58	0.92	8.74	1.81
Swing time	Control	0.99	0.03	11.79	1.60	12.20	1.75	11.64	1.51	27.9	0.89	11.83	1.61
	Autism	0.93	0.04	12.78	3.41	14.47	4.47	11.68	2.78	25.85	1.36	12.88	3.47
Stance time	Control	1.00	0.02	9.19	1.01	9.45	1.01	9.12	1.02	28.4	0.61	9.22	1.01
	Autism	0.97	0.03	7.70	2.76	8.42	3.27	7.19	2.41	27.22	1.04	7.73	2.78
Double stance time	Control	1.01	0.05	18.00	3.19	19.67	3.17	17.70	3.59	27.9	1.47	18.22	3.23
	Autism	1.00	0.05	14.36	3.02	14.90	3.32	14.23	2.96	28.10	1.58	14.43	3.04
Swing/stance	Control	0.99	0.02	8.52	2.39	8.88	2.75	8.4	2.24	28.02	1.10	8.55	2.42
	Autism	0.96	0.02	10.59	2.36	11.26	2.71	10.13	2.13	27.15	1.13	10.63	2.37