Table 2 Fractional anisotropy value (dimensionless units) in the infarct region and at different levels of the fibre tract in patients and controls.
| Region | FA value of patient group (n = 12) | FA value of control group (n = 12) | |||
|---|---|---|---|---|---|
| W1 | W4 | W12 | |||
| Centrum semiovale | Infarct side | 0.33 (0.32, 0.34) | 0.33 (0.32, 0.33) | 0.29 (0.27, 0.30) | 0.33 (0.33, 0.34) |
| Unaffected side | 0.34 (0.33, 0.34) | 0.33 (0.32, 0.34) | 0.32 (0.31, 0.33) | 0.33 (0.33, 0.34) | |
| Corona radiata | Infarct side | 0.39 (0.38, 0.40) | 0.37 (0.36, 0.38) | 0.34 (.32, 0.35) | 0.40 (0.39, 0.41) |
| Unaffected side | 0.39 (0.38, 0.42) | 0.41 (0.39, 0.41) | 0.41 (0.39, 0.41) | 0.40 (0.39, 0.41) | |
| Above the internal capsule | Infarct side | 0.36 (0.35, 0.37)** | 0.35 (0.34, 0.36)** | 0.31 (0.30, 0.33)** | 0.37 (0.36, 0.38) |
| Unaffected side | 0.38 (0.36, 0.39) | 0.38 (0.36, 0.39) | 0.37 (0.36, 0.38) | 0.37 (0.36, 0.38) | |
| Internal capsule | Infarct side | 0.36 (0.32, 0.41)** | 0.35 (0.24, 0.40)** | 0.24 (0.17, 0.31)** | 0. 52 (0.51, 0.53) |
| Unaffected side | 0.51(0.50, 0.53) | 0. 52 (0.51, 0.53) | 0.52 (0.50, 0.53) | 0. 52 (0.51, 0.53) | |
| Cerebral peduncle | Infarct side | 0.44 (0.43, 0.45) | 0.42 (0.41, 0.43) | 0.39 (0.37, 0.40) | 0.47 (0.47, 0.48) |
| Unaffected side | 0.47 (0.47, 0.48) | 0.47 (0.46, 0.48) | 0.46 (0.46, 0.48) | 0.47 (0.46, 0.48) | |
| Pons | Infarct side | 0.40 (0.39, 0.41) | 0.38 (0.38, 0.39) | 0.36 (0.34, 0.37) | 0.42 (0.41, 0.43) |
| Unaffected side | 0.42 (0.42, 0.43) | 0.42 (0.41, 0.43) | 0.41 (0.39, 0.43) | 0.42 (0.41, 0.43) | |
| Medulla | Infarct side | 0.39 (0.38, 0.39) | 0.38 (0.37, 0.38) | 0.36 (0.35, 0.37) | 0.40 (0.39, 0.41) |
| Unaffected side | 0.40 (0.39, 0.43) | 0.40 (0.39, 0.41) | 0.40 (0.39, 0.41) | 0.40 (0.39, 0.41) | |
| Below the internal capsule | Infarct side | 0.41 (0.41, 0.42)** | 0.39 (0.39, 0.40)** | 0.37 (0.36, 0.39)** | 0.43 (0.42, 0.44) |
| Unaffected side | 0.43 (0.42, 0.44) | 0.42 (0.42, 0.44) | 0.43 (0.42, 0.44) | 0.43 (0.42, 0.44) | |
Above the internal capsule, including the corona radiata and centrum semiovale; Below the internal capsule, including the cerebral peduncle, pons and medulla; FA, fractional anisotropy; W1, within the first week; W4, end of the fourth week; W12, end of the 12th week.
**Significantly different from controls, p<0.01 (Mann–Whitney test).
Values are median (QL–QU).