Table 2.
The summary statistics for parameter comparison.
| Baseline | 1 W post CCRT | p value | 3 M post CCRT | p value | 6 M post CCRT | p value | 12 M post CCRT | p value | |
|---|---|---|---|---|---|---|---|---|---|
| ADC-WM | 686.36 ± 35.60 | 624.56 ± 39.26 | 0.000 | 588.24 ± 38.90 | 0.000 | 649.00 ± 36.01 | 0.000 | 680.09 ± 36.05 | 0.006 |
| ADC-GM | 850.90 ± 45.95 | 821.05 ± 42.95 | 0.000 | 791.28 ± 45.46 | 0.000 | 823.37 ± 43.49 | 0.000 | 841.91 ± 51.37 | 0.001 |
| FA-WM | 0.419 ± 0.03 | 0.389 ± 0.03 | 0.000 | 0.365 ± 0.03 | 0.000 | 0.368 ± 0.03 | 0.000 | 0.401 ± 0.03 | 0.000 |
| FA-GM | 0.190 ± 0.02 | 0.175 ± 0.02 | 0.000 | 0.163 ± 0.02 | 0.000 | 0.166 ± 0.02 | 0.000 | 0.180 ± 0.02 | 0.000 |
| Dmean-WM | 1.147 ± 0.11 | 0.931 ± 0.09 | 0.000 | 0.778 ± 0.08 | 0.000 | 1.008 ± 0.1 | 0.000 | 1.180 ± 0.1 | 0.001 |
| Dmean-GM | 1.407 ± 0.21 | 1.198 ± 0.16 | 0.000 | 1.046 ± 0.14 | 0.000 | 1.213 ± 0.16 | 0.000 | 1.405 ± 0.19 | 0.9 |
| Kmean-WM | 0.764 ± 0.1 | 0.699 ± 0.09 | 0.000 | 0.623 ± 0.09 | 0.000 | 0.545 ± 0.08 | 0.000 | 0.461 ± 0.08 | 0.000 |
| Kmean-GM | 0.663 ± 0.08 | 0.649 ± 0.08 | 0.098 | 0.571 ± 0.08 | 0.000 | 0.477 ± 0.07 | 0.000 | 0.395 ± 0.06 | 0.000 |
W, week; M, month(s); WM, white matter; GM, gray matter; CCRT, Concurrent Chemoradiotherapy. P value presented that statistics for parameters comparison between every time point with baseline.