Table 4.

GROUP COMPARISONS BETWEEN ATTEMPTERS, NON-ATTEMPTERS AND HC ON REGIONAL BRAIN VOLUME

	HC Mean Regional Volume	Attempters Mean Regional Volume	HC – Attempters Cohen’s d p-value	Non Attempters Mean Regional Volume	HC – Non Attempters Cohen’s d p-value	Non Attempters - Attempters Cohen’s d p-value
ACROSS PSYCHOSIS SPECTRUM
R Rostral Middle Frontal	15899.74	14983.74	0.33***	15537.15	0.13*	0.20*
R Superior Frontal	21287.35	19916.76	0.44***	20691.79	0.19***	0.24*
L Superior Parietal	13060.31	12301.23	0.38***	12841.94	0.10*	0.25*
L Supramarginal	10934.96	10132.07	0.45***	10625.54	0.17**	0.28**
L Thalamus	7075.84	6640.83	0.43***	6979.64	0.09	0.33*
L Inferior Temporal	11186.59	10125.28	0.51***	10417.37	0.35***	0.13*
R Inferior Temporal	10853.87	9962.81	0.48***	10305.72	0.27***	0.17*
L Superior Temporal	12021.72	11328.30	0.39***	11736.26	0.16**	0.24*
R Superior Temporal	11655.76	10988.87	0.40***	11318.89	0.20***	0.19*
R Insula	6832.06	6380.14	0.48***	6657.27	0.18**	0.29*
BP-P
L Supramarginal	10934.96	10182.10	0.43*	10741.50	0.11	0.34*
R Fusiform	10041.56	9269.04	0.51**	9929.24	0.06	0.42*
SZ
L Thalamus	7075.84	6564.66	0.49**	7076.19	-0.00	0.50**
SZA
L Medial Orbitofrontal	5165.29	4884.62	0.32	4746.22	0.50***	-0.18*
R Lingual	6947.66	6177.37	0.77***	6609.07	0.32	0.40*
L Supramarginal	10934.96	9872.40	0.60***	10269.06	0.37.	0.25*
R Accumbens	717.52	659.42	0.43*	734.46	-0.11	0.50*
L Inferior Temporal	11186.59	9631.37	0.76***	10089.95	0.52**	0.22*
R Inferior Temporal	10853.87	9407.32	0.78***	10003.44	0.43*	0.30*

Adjusted p-values reported – Hochberg method used for multiple comparisons:

“.” < 0.1,

^*< 0.05,

^**< 0.01,

^***< 0.001