Table 3.
Mean fractional anisotropy in volumes of interest in callosal segments.
Subject | Diagnosis | Fractional anistropy |
Ratio FA genu/splenium | Ratio FA body/splenium | SNR | ||
---|---|---|---|---|---|---|---|
Genu | Body (motor) | Splenium | |||||
1 | Control | 0.72 | 0.80 | 0.79 | 0.91 | 1.01 | 39.6 |
2 | Control | 0.65 | 0.67 | 0.71 | 0.92 | 0.94 | 41.5 |
3 | ALS | 0.53 | 0.62 | 0.73 | 0.73 | 0.85 | 27.6 |
4 | ALS | 0.69 | 0.55 | 0.68 | 1.01 | 0.81 | 23.1 |
5 | ALS | 0.54 | 0.47 | 0.61 | 0.89 | 0.77 | 6.6 |
6 | ALS | 0.78 | 0.67 | 0.78 | 1.00 | 0.86 | 16.6 |
ALS | Mean ± SD | 0.64 ± 0.12 | 0.58 ± 0.09 | 0.70 ± 0.07 | 0.91 ± 0.13 | 0.82 ± 0.04 | 18.5 ± 9.09 |
FA – fractional anisotropy; SNR – signal to noise ratio.