Table 2.
Each value and SNR of original and synthetic maps within the gray and white matter.
| Original DTI | Synthetic DTI | p value | SNR of original DTI | SNR of synthetic DTI | p value | ||
|---|---|---|---|---|---|---|---|
| FA | LN | 0.28 ± 0.01 | 0.36 ± 0.06 | 0.07 | 1.76 ± 0.07 | 2.20 ± 0.10 | 0.012 |
| Thalamus | 0.28 ± 0.01 | 0.30 ± 0.07 | 0.66 | 2.59 ± 0.08 | 2.44 ± 0.23 | 0.26 | |
| PLIC | 0.59 ± 0.03 | 0.58 ± 0.03 | 0.84 | 5.09 ± 0.78 | 4.55 ± 0.09 | 0.22 | |
| PTR | 0.52 ± 0.04 | 0.50 ± 0.11 | 0.69 | 3.75 ± 0.29 | 3.59 ± 0.65 | 0.71 | |
| SCC | 0.58 ± 0.03 | 0.54 ± 0.08 | 0.33 | 2.51 ± 0.21 | 2.50 ± 0.19 | 0.88 | |
| MD | LN | 7.08 × 10–4 ± 0.18 × 10–4 | 6.95 × 10–4 ± 1.00 × 10–4 | 0.81 | 12 ± 2.77 | 5.16 ± 1.53 | 0.004 |
| Thalamus | 8.79 × 10–4 ± 0.42 × 10–4 | 8.89 × 10–4 ± 1.43 × 10–4 | 0.86 | 2.72 ± 0.82 | 2.63 ± 0.30 | 0.77 | |
| PLIC | 7.08 × 10–4 ± 0.15 × 10–4 | 7.15 × 10–4 ± 1.05 × 10–4 | 0.9 | 20.5 ± 1.35 | 7.53 ± 1.39 | < 0.001 | |
| PTR | 7.94 × 10–4 ± 0.23 × 10–4 | 7.50 × 10–4 ± 0.99 × 10–4 | 0.44 | 14.66 ± 2.03 | 7.15 ± 1.05 | 0.007 | |
| SCC | 8.03 × 10–4 ± 0.26 × 10–4 | 7.70 × 10–4 ± 0.95 × 10–4 | 0.53 | 4.37 ± 0.62 | 3.79 ± 0.54 | 0.17 | |
| AD | LN | 9.32 × 10–4 ± 0.22 × 10–4 | 9.61 × 10–4 ± 0.87 × 10–4 | 0.57 | 5.26 ± 0.36 | 4.84 ± 0.96 | 0.48 |
| Thalamus | 1.14 × 10–3 ± 0.35 × 10–4 | 1.15 × 10–3 ± 1.30 × 10–4 | 0.73 | 3.08 ± 0.79 | 2.95 ± 0.38 | 0.60 | |
| PLIC | 1.25 × 10–3 ± 0.21 × 10–4 | 1.24 × 10–3 ± 1.04 × 10–4 | 0.77 | 7.83 ± 0.78 | 6.33 ± 0.86 | 0.04 | |
| PTR | 1.32 × 10–3 ± 0.37 × 10–4 | 1.19 × 10–3 ± 0.48 × 10--4 | 0.048 | 5.57 ± 0.37 | 5.51 ± 0.76 | 0.87 | |
| SCC | 1.44 × 10–3 ± 0.07 × 10–4 | 1.28 × 10–3 ± 0.64 × 10–4 | 0.017 | 4.07 ± 0.39 | 3.73 ± 0.2 | 0.19 | |
| RD | LN | 5.96 × 10–4 ± 0.19 × 10–4 | 5.62 × 10–4 ± 1.06 × 10–4 | 0.56 | 6.44 ± 0.72 | 3.42 ± 1.50 | 0.016 |
| Thalamus | 7.51 × 10–4 ± 0.46 × 10–4 | 7.57 × 10–4 ± 1.49 × 10–4 | 0.92 | 2.33 ± 0.62 | 4.17 ± 1.98 | 0.17 | |
| PLIC | 4.35 × 10–4 ± 0.28 × 10–4 | 4.54 × 10–4 ± 1.13 × 10–4 | 0.73 | 5.96 ± 0.61 | 2.66 ± 1.09 | 0.015 | |
| PTR | 5.32 × 10–4 ± 0.39 × 10–4 | 5.30 × 10–4 ± 1.27 × 10–4 | 0.97 | 6.07 ± 1.09 | 3.04 ± 1.53 | 0.038 | |
| SCC | 4.86 × 10–4 ± 0.38 × 10–4 | 5.13 × 10–4 ± 1.16 × 10–4 | 0.65 | 1.93 ± 0.13 | 2.88 ± 1.33 | 0.23 |
Values indicate mean ± standard deviation.
SNR: signal–noise-ratio, FA: fractional anisotropy, MD: mean diffusivity, AD: axial diffusivity, RD: radial diffusivity, LN: lentiform nucleus, PLIC: posterior limb of capsule, PTR: posterior thalamic radiation, SCC: splenium of corpus callosum.