Table 2. Changes in CST Features on the Affected Side.
| CST Features | Whole CST | Peritumoral CST | ||||||
|---|---|---|---|---|---|---|---|---|
| Affected CST (n = 20) | Healthy CST (n = 20) | Z | P | Affected CST (n = 20) | Healthy CST (n = 20) | Z | P | |
| Number of tracts | 119.5 (79.50–159.75) | 198.50 (159.25–228.50) | -2.763 | 0.006* | 119.50 (80.25–159.75) | 198.50 (159.25–229.75) | -2.763 | 0.006* |
| Average tract length (cm) | 14.08 (13.71–14.40) | 14.10 (13.81–14.63) | -1.456 | 0.145 | 6.99 (4.99–8.95) | 7.00 (5.07–9.34) | -0.784 | 0.433 |
| Tracts volume (cm3) | 25.20 (20.31–28.98) | 29.70 (26.72–33.57) | -3.006 | 0.003* | 11.95 (8.36–15.93) | 15.38 (10.31–18.55) | -2.427 | 0.015* |
| DTI-AD (× 10-3 mm2/s) | 0.85 (0.84–0.88) | 0.83 (0.815–0.864) | -1.941 | 0.052 | 0.88 (0.85–0.92) | 0.84 (0.79–0.89) | -3.024 | 0.002* |
| DTI-FA | 0.53 (0.50–0.55) | 0.54 (0.52–0.56) | -1.829 | 0.067 | 0.56 (0.49–0.59) | 0.57 (0.54–0.62) | -2.315 | 0.021* |
| DTI-MD (× 10-3 mm2/s) | 0.51 (0.49–0.53) | 0.49 (0.48–0.50) | -2.875 | 0.004* | 0.53 (0.49–0.57) | 0.48 (0.47–0.49) | -3.397 | 0.001* |
| DTI-RD (× 10-3 mm2/s) | 0.34 (0.32–0.36) | 0.32 (0.31–0.33) | -2.800 | 0.005* | 0.35 (0.30–0.39) | 0.29 (0.28–0.33) | -3.211 | 0.001* |
| MAPL-MSD (× 10-5 mm2/s) | 14.62 (14.23–15.31) | 13.97 (13.79–14.32) | -2.725 | 0.006* | 14.59 (13.64–15.47) | 13.09 (12.88–13.57) | -3.397 | 0.001* |
| MAPL-QIV (× 10-10 mm5/s) | 10.86 (9.33–11.95) | 9.21 (8.54–9.63) | -3.099 | 0.002* | 11.91 (8.71–14.79) | 8.25 (7.87–9.82) | -3.285 | 0.001* |
| MAPL-RTAP (× 103 mm-2/s) | 8.70 (8.06–9.29) | 9.31 (8.83–9.74) | -2.875 | 0.004* | 8.66 (7.98–10.04) | 10.19 (9.49–10.71) | -3.099 | 0.002* |
| MAPL-RTOP (× 103 mm-2/s) | 5.79 (5.32–6.14) | 6.31 (6.01–6.58) | -2.912 | 0.004* | 5.86 (4.98–6.63) | 6.90 (6.51–7.27) | -3.285 | 0.001* |
| MAPL-RTPP (× 103 mm-2/s) | 5.27 (5.17–5.32) | 5.33 (5.26–5.40) | -2.800 | 0.005* | 5.21 (5.11–5.28) | 5.37 (5.24–5.59) | -3.435 | 0.001* |
Dara are presented as median (inter-quartile range). *Represented a statistical difference (p < 0.05). AD = axial diffusivity, DTI = diffusion tensor imaging, FA = fractional anisotropy, MAPL = laplacian-regularized mean apparent propagator, MD = mean diffusivity, MSD = mean squared displacement, QIV = q-space inverse variance, RD = radial diffusivity, RTAP = return-to-axis probabilities, RTOP = return-to-origin probability, RTPP = return-to-plane probabilities