Table 8.

Summary of results of the general linear regression analysis with CII as the dependent variable, for each vendor^a.

Thalamus volumesb	GE (N = 18)		Philips (N = 18)		Siemens (N = 21)
	B (95%CI)	p-Value	B (95%CI)	p-Value	B (95%CI)	p-Value
Manual outlines
Left thalamus	0.32 (-1.06 – 1.70)	0.63	−0.47 (-1.50 – 0.57)	0.36	−1.32 (-2.02 – (-0.62))	0.001
Right thalamus	0.08 (-1.28 – 1.44)	0.90	−0.58 (-1.77 – 0.61)	0.32	−1.15 (-1.85 – (-0.44))	0.003
FreeSurfer
Left thalamus	−0.48 (-1.88 – 0.92)	0.48	−1.79 (-3.64 – 0.05)	0.06	−1.48 (-2.46 – (-0.51))	0.005
Right thalamus	−0.57 (-2.09 – 0.95)	0.44	−1.65 (-3.26 – (-0.04))	0.045	−1.68 (-2.79 – (-0.56))	0.005
FSL-FIRST
Left thalamus	−0.05 (-1.40 – 1.30)	0.94	−2.11 (-4.14 – (-0.08))	0.043	−1.40 (-2.41 – (-0.39))	0.009
Right thalamus	−0.12 (-1.50 – 1.26)	0.86	−1.56 (-3.87 – 0.74)	0.17	−1.34 (-2.45 – (-0.24))	0.020
CAT12
Left thalamus	−0.27 (-1.20 – 0.67)	0.56	−2.00 (-3.38 – (-0.62))	0.007	−1.38 (-2.17 – (-0.60))	0.001
Right thalamus	−0.34 (-1.33 – 0.66)	0.49	−1.51 (-2.94 – (-0.09))	0.038	−1.53 (-2.33 – (-0.73))	0.001
GIF
Left thalamus	−0.82 (-2.80 – 1.15)	0.39	-0.253 (-6.69 – 1.62)	0.22	−1.62 (-3.08 – (-0.17))	0.031
Right thalamus	−0.90 (-2.87 – 1.07)	0.35	−1.48 (-4.91 – 1.94)	0.37	−1.71 (-3.22 – (-0.19))	0.029
VolBrain
Left thalamus	−0.22 (-1.54 – 1.10)	0.73	−1.83 (-3.78 – 1.20)	0.06	−1.53 (-2.40 – (-0.65))	0.002
Right thalamus	−0.24 (-1.75 – 1.28)	0.75	−1.59 (-3.31 – 0.13)	0.07	−1.65 (-2.57 – (-0.72))	0.001
Contrast-to-noise ratio	GE (N = 18)		Philips (N = 18)		Siemens (N = 21)
Left thalamus	2.11 ± 0.66		1.74 ± 0.48		1.04 ± 0.35
Right thalamus	2.11 ± 0.64		1.78 ± 0.47		1.18 ± 0.37

Abbreviations: B = unstandardized regression coefficient; CI = confidence interval; CII = Cognitive Impairment Index.^aAll regression analysis were corrected for center and age; ^b Thalamus volumes were multiplied by the head-normalization factor derived from SIENAX; p-values in bold represent significant values.