GP | Putamen | Caudate | Aput | Pput | |
---|---|---|---|---|---|
MRI | |||||
R2 (QSM) | 0.51a | 0.72b | 0.52a | 0.67a | 0.72a |
R2* (QSM) | 0.73b | 0.81b | 0.47a | 0.71a | 0.83a |
R2* (R2) | 0.55b | 0.78b | 0.48a | 0.75a | 0.75a |
CSF-T2WI (T2) | 0.71b | 0.85b | 0.59b | 0.79b | 0.87b |
Multivariable linear regression for R2* | |||||
a1 | 0.28 ± 0.04b | 0.22 ± 0.04b | 0.15 ± 0.06c | 0.21 ± 0.05a | 0.25 ± 0.04b |
a2 | 1.05 ± 0.14b | 1.31 ± 0.07b | 1.42 ± 0.16b | 1.42 ± 0.08b | 1.08 ± 0.10b |
Fractional | QSM: 47% | QSM: 23% | QSM: 20.0% | QSM: 18% | QSM: 36% |
Contributions | R2: 53% | R2: 77% | R2: 80.0% | R2: 82% | R2: 64% |