Region | DIR | T2 | FLAIR | Relative ratio (%) | |||
---|---|---|---|---|---|---|---|
DIR/T2 (%) | P value | DIR/FLAIR (%) | P value | ||||
PVWM | 12.6 ± 3.9 13 (0–41) | 9.6 ± 3.1 7.5 (0–35) | 12.1 ± 4.1 8.5 (0–37) | 31% | 0.033* | 4% | 0.927 |
DWM | 10.2 ± 3.8 8 (1.0–34) | 10.3 ± 3.5 10.0 (0–38) | 10.4 ± 3.3 9.0 (0–34) | − 1% | 0.834 | − 3% | 0.619 |
Mixed W-GM | 9.1 ± 3 8 (0–25) | 6.2 ± 2.7 5.00 (0–21) | 7.3 ± 2.1 6.0 (1.0–23) | 47% | < 0.001** | 24% | 0.009* |
JC | 9.1 ± 2.6 6 (0–22) | 9.6 ± 2.1 5.00 (0–25) | 10 ± 2.2 6.0 (0–21) | − 2% | 0.696 | − 5% | 0.622 |
Cortical | 1.5 ± 0.8 1 (0–9) | 0.6 ± 0.2 0.0 (0–7) | 0.8 ± 0.2 0 (0–7.0) | 98% | 0.003* | 80% | 0.004* |
IT | 1.9 ± 0.5 2.0 (0–15) | 1.5 ± 0.3 1.0 (0–9) | 1.2 ± 0.3 1.0 (0–8.0) | 39% | 0.023* | 63% | 0.002* |
Total | 41.9 ± 13.4 52 (6–121) | 35 ± 9.6 31.5 (3–107) | 38.7 ± 12.4 33.5 (4–114) | 18% | 0.003* | 7% | 0.039* |