Table 4.

Mean imitation and pointing items scores for the ADI-R and CARS of the children with PDDNOS

	PDDNOS Verbal group (N = 18)			PDDNOS Nonverbal group (N = 12)
	M	95% CI for Mean	SD	M	95% CI for Mean	SD	F	p
CARS Imitation	1.500	1.274–1.726	0.4537	2.500	1.958–3.042	0.8528	17.530	<0.05
ADI-R Imitation	0.44	0.19–0.70	0.511	1.33	0.92–1.75	0.651	17.483	<0.05
ADI-R Pointing	0.17	0.53–1.07	0.383	1.25	0.86–1.64	0.622	35.052	<0.05

Note: There is a significant difference for all variables.

Abbreviations: ADI-R, Autism Diagnostic Interview-Revised; CARS, Childhood Autism Rating Scale; CI, confidence interval; SD, standard deviation.