Table 6.

Significant differences from best-fit model analyses of females 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}	0.273	0.029^{^a}	<0.0001^{^a}	0.019^{^a}
Total white	<0.0001^{^a}	0.480	0.001^{^a}	<0.0001^{^a}	0.002^{^a}
Total gray	<0.0001^{^a}	0.230	0.021^{^a}	0.002^{^a}
Frontal gray	<0.0001^{^a}	0.400	0.010^{^a}	0.007^{^a}
Temporal gray	<0.0001^{^a}	0.069^{^a}	0.660	0.008^{^a}	0.078^{^a}
Cingulate gray	<0.0001^{^a}	0.052^{^a}		0.001^{^a}