Table 5.

Significant differences from best-fit model analyses of males with autistic disorder compared with typically developing controls

Region	Linear age	Diagnosis	Diagnosis × linear age	Quadratic age	Diagnosis × quadratic age
Total cerebrum	<0.0001^{^a}	0.430	0.559	<0.0001^{^a}	0.009^{^a}
Frontal gray	<0.0001^{^a}	0.081^{^a}
Temporal gray	<0.0001^{^a}	0.018^{^a}
Cingulate gray	<0.0001^{^a}	0.970	0.760	<0.0001^{^a}	0.030^{^a}