. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: J Autism Dev Disord. 2015 Jul;45(7):1925–1937. doi: 10.1007/s10803-013-2013-6

Table 3.

Item #	ADI-R Communication Domain	FXS			ASD
		CA Match	Dx Match	Severity Match	CA Match	Dx Match	Severity Match
42	Pointing to Express Interest	41.40	38.20	19.60	48.40	41.75	23.40
43	Nodding	43.40	39.90	20.92	45.78	40.13	22.10
44	Head shaking	46.50	43.08	20.71	41.86	36.85	22.29
45	Conventional/Instrumental Gestures	38.87⁺^*	34.91⁺	17.71⁺	51.58	45.22	25.29
34	Social Verbalization/Chat^V	29.23⁺^*	25.78⁺	13.75	41.52	34.08	15.25
35	Reciprocal Conversation^V	31.27	28.22	15.50	38.31	31.08	13.50
33	Stereotyped Utterances/Echolalia^V	33.30	29.81	14.50	35.10	29.12	14.50
36	Inappropriate Questions^V	33.52	29.05	13.82	34.75	30.06	15.18
37	Pronominal Reversal^V	27.05⁺^*	22.69⁺^*	11.85	44.95	37.88	17.14
38	Neologisms/Idiosyncratic Language^V	32.63	28.02	13.46	36.15	31.33	15.54

Items administered only for participants who are considered Verbal (score of “0” on Item 30)

⁺

Between-group difference p<.05

Significantly different after controlling for multiple comparisons (adjusted p<.0125 for nonverbal items; adjusted p<.007 for verbal items)