Table 4.

Absolute and Relative Volumes of Anterior Cingulate Cortex Gray Matter

Anterior cingulate cortex subregions	Hemisphere		SZ (N = 18)	HC (N = 14)	T*	P value
Cognitive	Left	Absolute, mL	1.415 (0.277)	1.334 (0.310)	0.78	0.44
		Relative, %	0.096 (0.018)	0.089 (0.017)	1.80	0.29
	Right	Absolute, mL	1.475 (0.287)	1.643 (0.442)	−1.30	0.20
		Relative, %	0.101 (0.025)	0.110 (0.028)	−0.97	0.34
Affective	Left	Absolute, mL	2.145 (0.801)	2.059 (0.811)	0.30	0.77
		Relative, %	0.147 (0.058)	0.138 (0.053)	0.45	0.66
	Right	Absolute, mL	1.911 (0.505)	2.484 (1.134)	−1.92	0.064
		Relative, %	0.131 (0.040)	0.166 (0.074)	−1.74	0.093
Subgenual	Left	Absolute, mL	0.350 (0.128)	0.376 (0.171)	−0.48	0.63
		Relative, %	0.024 (0.009)	0.025 (0.011)	−0.33	0.74
	Right	Absolute, mL	0.334 (0.095)	0.376 (0.149)	−1.16	0.26
		Relative, %	0.023 (0.007)	0.026 (0.010)	−0.99	0.33

^*The degree of freedom was 30 for all analyses.

SZ = Schizophrenia patients, HC = Healthy controls.