Table 4.
Statistically significant correlations between UPDRS-III and BME.
| BME (UPDRS-III)∗ | DBS Off | DBS On | ||
|---|---|---|---|---|
| SCC | p value | SCC | p value | |
| Right shoulder flexion (UPDRS-III score) | −0.829 | 0.042 | −0.486 | NS |
| Right maximal abduction (UPDRS-III score) | −0.829 | 0.042 | −0.029 | NS |
| Right maximal abduction (upper limb rigidity) | −0.833 | 0.021 | −0.169 | NS |
| Bilateral squat depth (body bradykinesia) | −0.926 | 0.008 | −0.676 | NS |
| Bilateral squat depth (gait) | −0.926 | 0.008 | −0.676 | NS |
| Stride length (gait) | −0.833 | 0.039 | −0.338 | NS |
| Right step length (gait) | −0.926 | 0.008 | −0.338 | NS |
| Right step width (gait) | 0.926 | 0.008 | 0.257 | NS |
| Left step width (gait) | 0.926 | 0.008 | −0.167 | NS |
| Cadence (arising from a chair) | −0.878 | 0.021 | −0.676 | NS |
| Stride length (arising from a chair) | −0.878 | 0.021 | NA | NS |
| Gait speed (arising from a chair) | −0.878 | 0.021 | NA | NS |
| Right trunk rotation (UPDRS-III score) | −0.086 | NS | −0.928 | 0.008 |
| Left trunk rotation (UPDRS-III score) | −0.257 | NS | −0.829 | 0.048 |
| Lunge distance, both sides (body bradykinesia) | −0.741 | NS | −0.845 | 0.034 |
| Lunge distance, both sides (gait) | −0.741 | NS | −0.845 | 0.034 |
| Cadence (posture) | −0.516 | NS | −0.926 | 0.008 |
| Gait speed (posture) | −0.638 | NS | −0.926 | 0.008 |
| Stride length (posture) | −0.577 | NS | −0.833 | 0.039 |
| Right step length (posture) | −0.395 | NS | −0.833 | 0.039 |
| Left step length (posture) | −0.698 | NS | −0.833 | 0.039 |
| Right shoulder flexion (UPDRS-III score) | −0.829 | 0.042 | −0.486 | NS |
| Right maximal abduction (UPDRS-III score) | −0.829 | 0.042 | −0.029 | NS |
| Right maximal abduction (upper limb rigidity) | −0.833 | 0.021 | −0.169 | NS |
| Two-leg squat displacement (body bradykinesia) | −0.926 | 0.008 | −0.676 | NS |
| Two-leg squat displacement (gait) | −0.926 | 0.008 | −0.676 | NS |
| Stride length (gait) | −0.833 | 0.039 | −0.338 | NS |
| Right step length (gait) | −0.926 | 0.008 | −0.338 | NS |
| Right step width (gait) | 0.926 | 0.008 | 0.257 | NS |
| Left step width (gait) | 0.926 | 0.008 | −0.167 | NS |
| Cadence (rising from a chair) | −0.878 | 0.021 | −0.676 | NS |
| Stride length (rising from a chair) | −0.878 | 0.021 | NA | NS |
| Gait speed (rising from a chair) | −0.878 | 0.021 | NA | NS |
| Right trunk rotation (UPDRS-III score) | −0.086 | NS | −0.928 | 0.008 |
| Left trunk rotation (UPDRS-III score) | −0.257 | NS | −0.829 | 0.048 |
| Lunge displacement, both sides (body bradykinesia) | −0.741 | NS | −0.845 | 0.034 |
| Lunge displacement, both sides (gait) | −0.741 | NS | −0.845 | 0.034 |
| Cadence (posture) | −0.516 | NS | −0.926 | 0.008 |
| Gait speed (posture) | −0.638 | NS | −0.926 | 0.008 |
| Stride length (posture) | −0.577 | NS | −0.833 | 0.039 |
| Right step length (posture) | −0.395 | NS | −0.833 | 0.039 |
| Left step length (posture) | −0.698 | NS | −0.833 | 0.039 |
∗Corresponding items to UPDRS-III. BME, body motion evaluation; DBS, deep brain stimulation; NA, not applicable because all data on “rising from a chair” were 0 in the On state; NS, not significant; SCC, Spearman correlation coefficient; UPDRS-III, Unified Parkinson's Disease Rating Scale.