Table 1.
Comparison between EAR and FA in important regions of white matter and CSF.
| ROI | Sub ID# | EAR | FA | SNR Improvement (t-score, p-value) | ||||
|---|---|---|---|---|---|---|---|---|
| SNR | Mean EAR | Std. Dev | SNR | Mean FA | Std. Dev | |||
| acr | 1 | 5.74 | 0.683 | 0.084 | 3.93 | 0.561 | 0.101 | 46% |
| 2 | 9.73 | 0.823 | 0.060 | 5.89 | 0.752 | 0.090 | 65% | |
| 3 | 6.97 | 0.790 | 0.080 | 4.20 | 0.703 | 0.118 | 66% | |
| 4 | 14.47 | 0.826 | 0.040 | 9.29 | 0.770 | 0.059 | 56% | |
| 5 | 11.15 | 0.693 | 0.044 | 6.79 | 0.601 | 0.063 | 64% | |
| Average | 9.61 | 6.02 | 59% (14.02, <0.0001) | |||||
| ss | 1 | 7.50 | 0.71 | 0.067 | 4.87 | 0.597 | 0.087 | 54% |
| 2 | 3.74 | 0.724 | 0.137 | 2.54 | 0.635 | 0.177 | 47% | |
| 3 | 10.19 | 0.687 | 0.048 | 6.12 | 0.554 | 0.064 | 67% | |
| 4 | 6.50 | 0.617 | 0.067 | 5.58 | 0.502 | 0.064 | 16% | |
| 5 | 5.62 | 0.74 | 0.093 | 4.10 | 0.641 | 0.111 | 37% | |
| Average | 6.71 | 4.64 | 44% (4.61, 0.005) | |||||
| cc | 1 | 13.28 | 0.847 | 0.045 | 8.21 | 0.784 | 0.068 | 62% |
| 2 | 20.88 | 0.89 | 0.030 | 13.31 | 0.852 | 0.045 | 57% | |
| 3 | 8.77 | 0.842 | 0.068 | 5.51 | 0.776 | 0.100 | 59% | |
| 4 | 9.09 | 0.846 | 0.066 | 5.75 | 0.788 | 0.097 | 58% | |
| 5 | 15.72 | 0.869 | 0.039 | 10.59 | 0.824 | 0.055 | 48% | |
| Average | 13.55 | 8.67 | 57% (21.58, <0.0001) | |||||
| scc | 1 | 17.11 | 0.885 | 0.037 | 10.48 | 0.844 | 0.057 | 63% |
| 2 | 14.26 | 0.859 | 0.043 | 8.55 | 0.805 | 0.067 | 67% | |
| 3 | 31.09 | 0.865 | 0.020 | 19.02 | 0.809 | 0.030 | 63% | |
| 4 | 16.33 | 0.841 | 0.036 | 11.97 | 0.797 | 0.047 | 36% | |
| 5 | 25.79 | 0.908 | 0.025 | 16.28 | 0.883 | 0.038 | 58% | |
| Average | 20.92 | 13.26 | 57% (9.27, 0.0004) | |||||
| gcc | 1 | 18.44 | 0.858 | 0.033 | 11.52 | 0.802 | 0.049 | 60% |
| 2 | 15.52 | 0.878 | 0.040 | 10.98 | 0.838 | 0.054 | 41% | |
| 3 | 11.88 | 0.834 | 0.050 | 7.08 | 0.767 | 0.076 | 68% | |
| 4 | 10.82 | 0.817 | 0.053 | 6.62 | 0.739 | 0.079 | 63% | |
| 5 | 14.71 | 0.814 | 0.039 | 10.10 | 0.746 | 0.052 | 46% | |
| Average | 14.27 | 9.26 | 56% (9.63, 0.0003) | |||||
| alic | 1 | 17.59 | 0.819 | 0.033 | 10.32 | 0.750 | 0.051 | 70% |
| 2 | 6.75 | 0.804 | 0.084 | 4.34 | 0.738 | 0.120 | 56% | |
| 3 | 10.18 | 0.805 | 0.056 | 6.27 | 0.726 | 0.082 | 62% | |
| 4 | 9.19 | 0.816 | 0.063 | 5.79 | 0.758 | 0.093 | 59% | |
| 5 | 11.68 | 0.825 | 0.050 | 7.68 | 0.757 | 0.070 | 52% | |
| Average | 11.08 | 6.88 | 60% (17.60, <0.0001) | |||||
| rlic | 1 | 10.02 | 0.684 | 0.048 | 7.51 | 0.585 | 0.055 | 33% |
| 2 | 9.80 | 0.806 | 0.058 | 5.98 | 0.728 | 0.086 | 64% | |
| 3 | 6.57 | 0.775 | 0.083 | 3.94 | 0.681 | 0.122 | 67% | |
| 4 | 9.05 | 0.806 | 0.063 | 6.92 | 0.750 | 0.077 | 31% | |
| 5 | 8.40 | 0.634 | 0.053 | 6.71 | 0.508 | 0.054 | 25% | |
| Average | 8.77 | 6.21 | 44% (4.43, 0.006) | |||||
| cg | 1 | 8.61 | 0.781 | 0.064 | 5.39 | 0.698 | 0.091 | 60% |
| 2 | 9.67 | 0.825 | 0.060 | 6.26 | 0.759 | 0.086 | 35% | |
| 3 | 10.86 | 0.871 | 0.057 | 7.17 | 0.822 | 0.081 | 51% | |
| 4 | 6.67 | 0.791 | 0.084 | 4.13 | 0.712 | 0.122 | 62% | |
| 5 | 7.63 | 0.791 | 0.073 | 4.95 | 0.708 | 0.101 | 54% | |
| Average | 8.69 | 5.58 | 52% (9.80, 0.0003) | |||||
acr: anterior corona radiate; ss: sagittal stratum; cc: corpus callosum; scc: splenium of the cc; gcc: genu of the cc; alic: anterior limb of the internal capsule; rlic: retrolenticular part of the internal capsule; cg: cingulum. Std. Dev.: Standard Deviation; ROI: region of interest