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Mean ± standard deviation of FA and radiality for superficial and deep S1 along with the p-values resulting from t-test comparisons of superficial versus deep FA and radiality. Data are from all 13-dir acquisitions at 500 and 250 μm radial resolution (volunteers 3–6 and 8).
| FA | radiality | |
|---|---|---|
| superficial S1 | 0.11 ± 0.04 | 0.45 ± 0.28 |
| deep S1 | 0.36 ± 0.16 | 0.12 ± 0.07 |
| p-value | < 0.001 | < 0.001 |
