Table 6. IQ variance explained by TBM projection scores.

IQ scores were missing for one subject.

IQ	Gray matter		White matter		Combined
	R 2	P	R 2	P	R 2	P
Full-scale IQ	0.13	<0.001	0.18	<0.001	0.20	<0.001
Verbal IQ	0.14	<0.001	0.18	<0.001	0.20	<0.001
Nonverbal IQ	0.11	<0.001	0.15	<0.001	0.17	<0.001