Table 2.
Non-parametric partial correlation between brain structure and hand function results controlled for age and brain lesion laterality.
| More affected hand | Less affected hand | |||||
|---|---|---|---|---|---|---|
| MACS | BBT | MMs | BBT | MMs | ||
| Hemispheric Score* (sqMRI HS) |
Rho (p value) |
0.445 (0.025) |
−0.434 (0.030) |
0.014 n.s. |
−0.414 (0.040) |
0.030 n.s. |
| Basal Ganglia region Score* (sqMRI BGrS) | Rho (p value) |
0.542 (0.001) |
−0.587 (<0.001) |
−0.097 n.s. |
−0.269 n.s. |
0.033 n.s. |
| Corpus Callosum Score (sqMRI CCS) | Rho (p value) |
0.385 (0.065) |
−0.542 (0.005) |
0.142 n.s. |
−0.324 n.s. |
0.166 n.s. |
| Global Score (sqMRI GS) |
Rho (p value) |
0.624 (<0.001) |
−0.619 (<0.001) |
0.054 n.s. |
−0.394 (0.060) |
0.136 n.s. |
| MRICS | Rho (p value) |
0.090 n.s. |
−0.055 n.s. |
−0.568 (0.005) |
−0.229 n.s. |
−0.401 n.s. |
sqMRI, semi-quantitative Magnetic Resonance Imaging; MRICS, Magnetic Resonance Imaging Classification System; BBT, Box and Block Test; MACS, Manual Ability Classification System; MMs, Mirror Movements; Rho, Correlation Coefficient. Significant effects and statistical trends are reported after Bonferroni correction for multiple comparisons. *Contralateral to the more affected side.