TABLE 4.
Correlations of magnetization transfer scores with cognitive component scores, CAG repeat‐length, and DBS
| Magnetization transfer | Composite cognitive scores |
|---|---|
| Segment 1 | r = 0.527 (p = .032, corrected p = .211) |
| Segment 2 | r = 0.559 (p = .023, corrected p = .141) |
| Segment 3 | r = 0.491 (p = .042, corrected p = .282) |
| Segment 4 | r = 0.494 (p = .054, corrected p = .351) |
| Segment 5 | r = 0.451 (p = .073, corrected p = .049) |
| Segment 6 | r = 0.323 (p = .03, corrected p = .213) |
| Segment 7 | r = −0.098 (p = .71, corrected p = 1) |
| CAG repeat length | |
| Segment 1 | r = 0.641 (p = .002, corrected p = .014), partial correlation: r = 0.763 (p = .001, corrected p = .007) |
| Segment 2 | r = 0.717 (p = .001, corrected p = .007), partial correlation: r = 0.879 (p < .001, corrected p < .001) |
| Segment 3 | r = 0.549 (p = .012, corrected p = .084), partial correlation: r = 0.841 (p < .001, corrected p < .001) |
| Segment 4 | r = 0.71 (p = .001, corrected p = .007), partial correlation: r = 0.831 (p < .001, corrected p < .001) |
| Segment 5 | r = 0.525 (p = .018, corrected p = .126), partial correlation: r = 0.745 (p = .001, corrected p = .007) |
| Segment 6 | r = 0.513 (p = .021, corrected p = .147), partial correlation: r = 0.864 (p < .001, corrected p < 0.001) |
| Segment 7 | r = 0.107 (p = .663, corrected p = 1), partial correlation: r = 0.5 (p = .048, corrected p = .336) |
| DBS | |
| Segment 1 | r = −0.04 (p = .853, corrected p = 1) |
| Segment 2 | r = 0.08 (p = .697, corrected p = 1) |
| Segment 3 | r = 0.003 (p = .986, corrected p = 1) |
| Segment 4 | r = 0.071 (p = .739, corrected p = 1) |
| Segment 5 | r = 0.048 (p = .824, corrected p = 1) |
| Segment 6 | r = −0.12 (p = .642, corrected p = 1) |
| Segment 7 | r = −0.09 (p = .662, corrected p = 1) |
Note: Correlation coefficients that were significant after Bonferroni correction are highlighted in bold. Trends, defined as correlations significant at the uncorrected level, are highlighted in italics.