Table 2.
Disease severity, gait and balance performance, and tremors quantified during the gait and balance tasks comparing between unilateral and bilateral DBS treatment. There were no differences between the two DBS types. Values are shown as mean ± SD. * p < 0.05.
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|---|---|---|---|---|
| UNILATERAL DBS (N = 10) | BILATERAL DBS (N = 7) | |||
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| OFF | ON | OFF | ON | |
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| Stride length variability (CV, %) | 2.6 ± 0.5 | 2.1 ± 0.4 | 2.4 ± 0.6 | 2.4 ± 0.6 |
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| Sway path length (m/s 2 ) | 9.8 ± 6.2 | 7.0 ± 3.8 | 9.9 ± 5.9 | 6.6 ± 2.1 |
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| FTM-TRS | ||||
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| Total | 47.8 ± 14.3 | 28.4 ± 14.9 | 43.4 ± 9.3 | 16.0 ± 7.1 |
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| Tremor | 13.4 ± 5.0 | 9.1 ± 5.0 | 11.2 ± 2.9 | 7.8 ± 2.4 |
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| Manual | 19.6 ± 7.4 | 12.2 ± 8.0 | 17.4 ± 6.8 | 5.5 ± 4.1 |
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| Self | 14.8 ± 4.3 | 7.1 ± 4.6 | 14.7 ± 2.9 | 2.5 ± 2.2 |
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| TETRAS | ||||
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| Total | 49.1 ± 12.0 | 27.2 ± 12.4 | 50.0 ± 5.4 | 18.1 ± 7.6 |
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| Tremor | 8.6 ± 3.2 | 6.4 ± 3.1 | 9.0 ± 2.8 | 6.1 ± 2.8 |
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| Manual | 11.3 ± 3.1 | 7.4 ± 3.0 | 9.9 ± 2.7 | 4.4 ± 1.6 |
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| Self | 29.2 ± 8.8 | 13.4 ± 8.5 | 31.0 ± 5.2 | 7.5 ± 4.9 |
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| Balance tremor (%) | ||||
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| Upper limb | 9.3 ± 5.8 | 9.1 ± 6.7 | 6.7 ± 5.2 | 7.3 ± 4.3 |
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| Lower limb | 4.8 ± 3.4 | 4.5 ± 4.0 | 7.5 ± 7.8 | 5.8 ± 3.5 |
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| Upper trunk | 7.0 ± 6.6 | 5.5 ± 4.9 | 7.0 ± 6.3 | 4.8 ± 1.2 |
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| Lower trunk | 8.6 ± 7.6 | 6.3 ± 5.2 | 9.6 ± 7.9 | 6.1 ± 3.2 |
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| Gait tremor (%) | ||||
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| Upper limb | 6.5 ± 2.4 | 6.3 ± 3.4 | 7.0 ± 1.9 | 6.9 ± 2.1 |
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| Lower limb | 8.4 ± 2.1 | 9.1 ± 2.5 | 9.1 ± 2.1 | 8.5 ± 2.1 |
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| Upper trunk | 5.3 ± 1.3 | 5.0 ± 1.6 | 5.6 ± 1.2 | 5.4 ± 1.2 |
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| Lower trunk | 9.0 ± 1.9 | 9.1 ± 2.1 | 9.2 ± 1.9 | 9.5 ± 2.6 |
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