Table 3.

Correlation among MVF_MTsat, MVF_SyMRI, and MVF_T1w/T2w for 48 WM ROIs, and MVF_MTsat, MVF_SyMRI, and MVF_T1w/T2w in each ROI.

		MVFMTsat vs. MVFSyMRI	MVFMTsat vs. MVFT1w/T2w	MVFSyMRI vs. MVFT1w/T2w	MVFMTsat (%)	MVFSyMRI (%)	MVFT1w/T2w (%)
WM	Genu of corpus callosum	0.38 [−0.08–0.70]	0.06 [−0.39–049]	−0.01 [−0.45–0.43]	42.81 ± 2.01	39.36 ± 1.36	35.87 ± 3.57
	Splenium of corpus callosum	0.40 [−0.05–0.72]	−0.05 [−0.48–0.40]	0.15 [−0.31–0.56]	35.49 ± 1.52	39.08 ± 1.47	33.26 ± 3.50
	Anterior limb of internal capsule	0.67*** [0.45–0.81]	0.41* [0.11–0.64]	0.40* [0.10–0.63]	28.88 ± 1.50	33.58 ± 2.08	33.70 ± 3.82
	Posterior limb of internal capsule	0.64*** [0.41–0.79]	0.27 [−0.045–0.54]	0.24 [−0.081–0.51]	28.51 ± 1.21	33.65 ± 1.83	30.67 ± 3.28
	Anterior corona radiata	0.68*** [0.47–0.82]	0.34* [0.034–0.59]	0.44** [0.15–0.66]	36.26 ± 1.42	34.56 ± 1.30	32.84 ± 3.36
	Superior corona radiata	0.57*** [0.32–0.75]	0.23 [−0.092–0.50]	0.37* [0.06–0.61]	32.39 ± 1.26	29.86 ± 1.64	28.59 ± 3.06
	Posterior corona radiata	0.54*** [0.27–0.73]	−0.052 [−0.36–0.26]	0.23 [−0.085–0.51]	30.55 ± 1.13	31.02 ± 1.37	28.80 ± 2.98
	Posterior thalamic radiation	0.65*** [0.43–0.80]	0.10 [−0.22–0.40]	0.099 [−0.22–0.40]	31.87 ± 1.48	36.18 ± 1.34	30.62 ± 3.05
	External capsule	0.66*** [0.43–0.80]	0.31* [0.001–0.57]	0.16 [−0.16–0.45]	27.20 ± 1.17	28.95 ± 1.31	31.21 ± 3.17
	Superior longitudinal fasciculus	0.47** [0.19–0.68]	0.20 [−0.12–0.48]	0.60*** [0.35–0.77]	33.11 ± 1.30	31.36 ± 1.48	29.81 ± 3.18
Subcortical GM	Pallidum	0.72*** [0.53–0.85]	0.53** [0.26–0.72]	0.52** [0.24–0.71]	21.97 ± 1.41	22.34 ± 3.22	35.29 ± 3.88
	Thalamus	0.72*** [0.53–0.84]	0.41** [0.12–0.64]	0.50** [0.22–0.70]	22.60 ± 1.38	20.66 ± 2.26	27.77 ± 3.00
Cortical GM	Precentral	0.41** [0.12–0.64]	0.12 [−0.20–0.42]	0.53** [0.26–0.72]	13.27 ± 1.43	7.99 ± 1.21	19.60 ± 2.19
	Postcentral	0.24 [−0.076–0.51]	−0.10 [−0.40–0.22]	0.59*** [0.34–0.76]	13.22 ± 1.42	8.25 ± 1.19	19.38 ± 2.06
	Heschl	0.20 [−0.12–0.48]	0.098 [−0.22–0.40]	0.35* [0.041–0.60]	14.06 ± 1.93	7.46 ± 1.51	20.05 ± 2.17
	Lingual	0.24 [−0.079–0.51]	0.25 [−0.069–0.52]	0.47** [0.18–0.68]	12.35 ± 1.17	7.10 ± 0.85	20.27 ± 2.08

Data are the Spearman’s ρ correlation coefficients ± 95% confidence intervals or the mean ± standard deviation.

Abbreviations: MVF = myelin volume fraction; MT_sat = magnetization transfer saturation; SyMRI = simultaneous tissue relaxometry of R₁ and R₂ relaxation rates and proton density; T₁w/T₂w = ratio of T₁-weighted to T₂-weighted images; WM = white matter; GM = gray matter; ROI = region of interest.

Note: *p < 0.05, **p < 0.01, ***p < 0.001.