Parkinson’s Disease / 2018 / Article / Tab 3

Clinical Study

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

Table 3

Mean ± SD differences in items between patients in DBS On, DBS Off, and controls.

Extra gait items value mean difference between groups/pos hoc pairwise comparison that showed significance
ItemsDBS OffDBS OnControls

Shoulder flexion (°)R: 164.01 ± 13.41R: 166.91 ± 20.82R: 183.43 ± 14.12NS
L: 160.00±15.23L: 165.05 ± 16.50L: 183.48±12.130.039/0.038
Shoulder rotation (°)R: 147.33±18.94R: 152.60 ± 20.20R: 184.53±16.910.07/0.011
R: 147.33 ± 18.94R: 152.60±20.20R: 184.53±16.910.07/0.030
L: 141.41 ± 16.76L: 142.11 ± 19.65L: 169.93 ± 20.75NS
Shoulder abduction (°)R: 147.03 ± 9.56R: 153.45 ± 13.39R: 156.93 ± 17.12NS
L: 148.60 ± 13.71L: 157.83 ± 15.94L: 168.06 ± 22.25NS
Trunk rotation (°)R: 7.73 ± 2.69R: 6.25±6.25R: 16.20±5.720.021/0.024
L: 5.36±4.65L: 9.01 ± 4.96L: 13.46±4.010.025/0.023
Trunk flexion/extension (°)F: 30.11 ± 7.01F: 32.11 ± 7.06F: 44.78 ± 9.890.046
E: 27.18 ± 7.04E: 32.63 ± 18.91E: 46.15 ± 7.350.049

Lunge distance (cm)R: 62.11 ± 15.62R: 70.49 ± 22.18R: 85.11 ± 16.13NS
L: 58.52 ± 20.48L: 68.52 ± 22.63L: 83.15 ± 16.45NS
Gait items
Cadence (strides/min)83.33 ± 14.2190.38 ± 19.8488.51 ± 4.62NS
Stride length (cm)97.28 ± 18.35105.54 ± 11.66107.07 ± 13.35NS
Step length (cm)R: 50.32 ± 9.65R: 53.19 ± 7.76R: 54.02 ± 7.80NS
L: 47.48 ± 8.90L: 53.57 ± 4.49L: 53.47 ± 5.38NS
Step width (cm)R: 10.01 ± 3.10R: 10.08 ± 4.46R: 10.13 ± 2.75NS
L: 8.78 ± 2.37L: 7.76 ± 2.36L: 8.46 ± 1.74NS
Gait speed (m/s)0.68 ± 0.240.81 ± 0.250.81 ± 0.09NS

DBS, deep brain stimulation; NS, not significant; R, right; L, left; F, flexion; E, extension. For right shoulder rotation, results are shown twice due to a double pairwise significant result.

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