Table 2

Regional volumes normalized by total intracranial volume

Brain region	Sex	Trauma group	Children, n	Mean volume ± SD, mm³
Left amygdala	F	Low	70	0.0011 ± 0.00013
		High	15	0.0011 ± 0.00012
	M	Low	66	0.0010 ± 0.00011
		High	21	0.0010 ± 0.00012
Right amygdala	F	Low	70	0.0011 ± 0.00012
		High	15	0.0011 ± 0.00014
	M	Low	66	0.0011 ± 0.00011
		High	21	0.0010 ± 0.00012
Left hippocampus	F	Low	70	0.0028 ± 0.00035
		High	15	0.0030 ± 0.00024
	M	Low	66	0.0027 ± 0.00031
		High	21	0.0025 ± 0.00037
Right hippocampus	F	Low	70	0.0029 ± 0.00028
		High	15	0.0030 ± 0.00019
	M	Low	66	0.0028 ± 0.00023
		High	21	0.0027 ± 0.00031
Left parahippocampal gyrus	F	Low	70	0.0018 ± 0.00032
		High	15	0.0020 ± 0.00031
	M	Low	66	0.0018 ± 0.00033
		High	21	0.0016 ± 0.00032
Right parahippocampal gyrus	F	Low	70	0.0016 ± 0.00026
		High	15	0.0019 ± 0.00027
	M	Low	66	0.0016 ± 0.00019
		High	21	0.0015 ± 0.00022
Total intracranial volume	F	Total	85	1 447 728.59 ± 117 262.98
	M	Total	87	1 595 890.80 ± 125 375.65