. Author manuscript; available in PMC: 2009 Dec 15.

Published in final edited form as: Biol Psychiatry. 2008 Oct 2;64(12):1069–1076. doi: 10.1016/j.biopsych.2008.07

Table 2.

Neonatal Brain Volumes

	Control LS mean^* (SE)	MVM LS mean^* (SE)	% difference	F-value (DF)	P value
Intracranial Volume (mm³)	475,757 (8,207)	509,615 (8,207)	7.1%	8.51 (1,33)	0.0063
Lateral Ventricle (mm³)	1,701 (585)	6,572 (585)	286.4%	34.64 (1,33)	< 0.0001
Cortical Gray Matter (mm³)	197,625 (3,839)	219,156 (3,839)	10.9%	15.72 (1,33)	0.0004
Cortical White Matter (mm³)	152,426 (2,962)	158,680 (2,962)	4.1%	2.23 (1,33)	0.1449
Subcortical Gray Matter (mm³)	20351 (521)	22025 (521)	8.2%	5.15 (1,33)	0.0298
Cerebellum (mm³)	27,361 (547)	27,181 (547)	−0.06%	0.05 (1,33)	0.8184

Blocking for matching pairs was used to diminish the effect of variation within matching pairs, so MVM subjects have the same standard errors for the LSmeans as the matched control subjects when the two groups have same number of blocks and there is no missing data.