Table 4.

Linear regression analyses: QSM and SNR for each QSM reference structure.

QSM Reference Structure: Default MEDI Toolbox
Effect	1 β	R2	p-value	SE	95% CI
Subcortical QSM	−0.461	0.112	0.025*	0.198	−0.860	−0.062
Cortical QSM	−0.076	0.504	< 0.0001**	0.011	−0.099	−0.053
QSM Reference Structure: Lateral Ventricles
Subcortical QSM	−0.393	0.088	0.048*	0.193	−0.782	−0.004
Cortical QSM	−0.058	0.475	< 0.0001**	0.009	−0.077	−0.039
QSM Reference Structure: Whole-brain WM
Subcortical QSM	−0.368	0.079	0.062	0.192	−0.755	0.019
Cortical QSM	−0.069	0.175	0.005**	0.023	−0.115	−0.022

¹Standardized coefficients.

^**p < 0.01.

^*p < 0.05.