Table 2.

Differences in ADI-R scores across verbal sub-groups

	Mean (SD)	Mean (SD)	Significance
Non verbal	Male n. 11	Female n. 3	Student-T
ADI-R A	18.45 (5.46)	12.67 (3.05)	0.05
ADI-R B	11.27 (1.84)	13.33 (1.53)	0.12
ADI-R C	5.00 (2.65)	3.33 (2.31)	0.35
Minimally verbal	Male n. 23	Female n. 5
ADI-R A	12.83 (5.99)	14.00 (5.01)	0.66
ADI-R B	9.91 (4.74)	8.20 (1.09)	0.13
ADI-R C	3.78 (2.74)	2.00 (0.70)	0.012*
Verbal	Male n. 10	Female n. 4
ADI-R A	10.00 (6.23)	13.75 (7.27)	0.40
ADI-R B	9.00 (4.26)	7.75 (6.80)	0.75
ADI-R C	5.00 (3.59)	2.25 (2.06)	0.10