. Author manuscript; available in PMC: 2016 Oct 1.

Published in final edited form as: Prog Neuropsychopharmacol Biol Psychiatry. 2015 May 8;62:22–28. doi: 10.1016/j.pnpbp.2015.05.001

Table 2.

Significant fractional anisotropy and radial diffusivity clusters obtained from the TBSS analyses.

Comparison	DTI Measure	Cluster Maxima	MNI coordinates	Size	p value
Control > Depressed/Suicidal	FA	Corpus Callosum, Splenium	−10, 33, 24	6,529	0.020
	FA	R. Corticospinal Tract	23, −20, 59	503	0.046
	FA	R. Anterior Thalamic Radiation	9, −4, 11	365	0.046
	RD	L. Superior Longitudinal Fasciculus	−18, −6, 7	11,495	0.021
Depressed/Nonsuicidal > Depressed/Suicidal	FA	L. Post Corona Radiata	−26, −38, 23	17,533	0.010
Depressed/Nonsuicidal > Depressed/Suicidal	RD	R. Anterior Thalamic Radiation	7, −5, −1	25,846	0.004

All clusters showed a reduced fractional anisotropy (FA) and elevated radial diffusivity (RD) in the suicidal group compared with other groups. Cluster size measured in voxels.

Abbreviations: MNI = Montreal Neurological Institute