Parkinson’s Disease / 2018 / Article / Tab 4

Clinical Study

Accuracy of Markerless 3D Motion Capture Evaluation to Differentiate between On/Off Status in Parkinson’s Disease after Deep Brain Stimulation

Table 4

Statistically significant correlations between UPDRS-III and BME.

BME (UPDRS-III)DBS OffDBS On
SCC valueSCC value

Right shoulder flexion (UPDRS-III score)−0.8290.042−0.486NS
Right maximal abduction (UPDRS-III score)−0.8290.042−0.029NS
Right maximal abduction (upper limb rigidity)−0.8330.021−0.169NS
Bilateral squat depth (body bradykinesia)−0.9260.008−0.676NS
Bilateral squat depth (gait)−0.9260.008−0.676NS
Stride length (gait)−0.8330.039−0.338NS
Right step length (gait)−0.9260.008−0.338NS
Right step width (gait)0.9260.0080.257NS
Left step width (gait)0.9260.008−0.167NS
Cadence (arising from a chair)−0.8780.021−0.676NS
Stride length (arising from a chair)−0.8780.021NANS
Gait speed (arising from a chair)−0.8780.021NANS
Right trunk rotation (UPDRS-III score)−0.086NS−0.9280.008
Left trunk rotation (UPDRS-III score)−0.257NS−0.8290.048
Lunge distance, both sides (body bradykinesia)−0.741NS−0.8450.034
Lunge distance, both sides (gait)−0.741NS−0.8450.034
Cadence (posture)−0.516NS−0.9260.008
Gait speed (posture)−0.638NS−0.9260.008
Stride length (posture)−0.577NS−0.8330.039
Right step length (posture)−0.395NS−0.8330.039
Left step length (posture)−0.698NS−0.8330.039
Right shoulder flexion (UPDRS-III score)−0.8290.042−0.486NS
Right maximal abduction (UPDRS-III score)−0.8290.042−0.029NS
Right maximal abduction (upper limb rigidity)−0.8330.021−0.169NS
Two-leg squat displacement (body bradykinesia)−0.9260.008−0.676NS
Two-leg squat displacement (gait)−0.9260.008−0.676NS
Stride length (gait)−0.8330.039−0.338NS
Right step length (gait)−0.9260.008−0.338NS
Right step width (gait)0.9260.0080.257NS
Left step width (gait)0.9260.008−0.167NS
Cadence (rising from a chair)−0.8780.021−0.676NS
Stride length (rising from a chair)−0.8780.021NANS
Gait speed (rising from a chair)−0.8780.021NANS
Right trunk rotation (UPDRS-III score)−0.086NS−0.9280.008
Left trunk rotation (UPDRS-III score)−0.257NS−0.8290.048
Lunge displacement, both sides (body bradykinesia)−0.741NS−0.8450.034
Lunge displacement, both sides (gait)−0.741NS−0.8450.034
Cadence (posture)−0.516NS−0.9260.008
Gait speed (posture)−0.638NS−0.9260.008
Stride length (posture)−0.577NS−0.8330.039
Right step length (posture)−0.395NS−0.8330.039
Left step length (posture)−0.698NS−0.8330.039

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.

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