. Author manuscript; available in PMC: 2010 Jul 28.

Published in final edited form as: Biol Psychiatry. 1996 Dec 1;40(11):1091–1099. doi: 10.1016/S0006-3223(96)00229-6

Table 3.

Volumes (ml) of the Brain Structures Examined

	PTSD (P) (n = 7)	Combat control (C) (n = 7)	Normal (N) (n = 8)	F(2,19)	p	Tukey’s test
	Mean (SD)	Mean (SD)	Mean (SD)	F(2,19)	p	Tukey’s test
Intracranial cavity	1432 (181)	1514 (119)	1447 (80)	0.8	.47
Whole brain	1227 (157)	1290 (100)	1314 (100)	1.0	.38
Subarachnoidal CSF	180 (28)	196 (53)	105 (38)	10.6	<.001	P, C > N
Lateral ventricles	19.9 (9.7)	23.6 (7.3)	24.0 (10.7)	0.4	.68
Left temporal horn	.26 (.13)	.28 (.23)	.18 (.23)	0.5	.64
Right temporal horn	.36 (.22)	.31 (.23)	.23 (.19)	0.7	.49
Third ventricle	2.7 (.9)	2.7 (.7)	2.6 (1.1)	0.1	.92
Fourth ventricle	1.6 (.4)	2.0 (.6)	1.5 (.5)	2.1	.15
Ventricle:brain ratio	.020 (.009)	.022 (.006)	.022 (.009)	0.2	.85
Left hippocampus	3.2 (.3)	4.3 (.3)	4.4 (.3)	29.0	<.001	C, N > P
Right hippocampus	3.2 (.6)	4.1 (.4)	4.6 (.4)	14.3	<001	C, N > P
Left amygdala	2.2 (.3)	2.0 (.4)	2.1 (.3)	0.6	.53
Right amygdala	2.7 (.5)	2.5 (.4)	2.3 (. 1)	3.0	.07