Table 2. Striatal Volume Analysis—Groupwise difference and correlation with FBI scores.

Structure	Size difference in bvFTD group (%)	Effect Size (partial eta square)	Sig. (p)	Correlation with FBI 1–10		Correlation with FBI 11–22
				Stand. Beta	Sig. (p)	Stand.Beta	Sig. (p)
Left Caudate	-16.055	0.173	0.003	-0.376	0.106	-0.194	0.378
Right Caudate	-11.898	0.103	0.023	-0.225	0.339	-0.219	0.312
Left Putamen	-18.189	0.179	0.002	-0.659	<0.001	-0.436	0.014
Right Putamen	-12.868	0.081	0.045	-0.455	0.035	-0.461	0.019

Groupwise differences assessed with ANCOVA. FBI correlations assessed with linear regression, with age, gender, education and intracranial volume as covariates.