Mean (SD) ratios of ischaemic lesion to contralateral normal brain for mean diffusivity (<D>R) and fractional anisotropy (FAR) in grey and white matter at each time point
| Time (days) | <D>R | FAR | |||||
|---|---|---|---|---|---|---|---|
| Window | Mean (SD) | Grey | White | p | Grey | White | p |
| Bold type indicates a significant difference (p<0.05) between grey and white matter values at each time point. | |||||||
| SD, standard deviation. | |||||||
| <1 | 0.3 (0.3) | 0.74 (0.13) | 0.69 (0.14) | 0.02 | 1.00 (0.19) | 0.86 (0.13) | <0.001 |
| 4–7 | 5.5 (1.1) | 0.79 (0.13) | 0.79 (0.18) | 0.99 | 0.90 (0.17) | 0.54 (0.14) | <0.001 |
| 10–14 | 11.7 (1.7) | 1.05 (0.19) | 0.97 (0.19) | 0.03 | 0.80 (0.22) | 0.52 (0.15) | <0.001 |
| 30 | 30.0 (3.4) | 1.32 (0.23) | 1.28 (0.29) | 0.47 | 0.73 (0.26) | 0.46 (0.17) | <0.001 |
| 90 | 94.5 (7.1) | 1.60 (0.25) | 1.60 (0.42) | 0.97 | 0.69 (0.20) | 0.46 (0.17) | <0.001 |