Table 1 Demographic, clinical, and deep brain stimulation (DBS) parameters for the prospective patient cohort (Cohort II)

From: Bradykinesia induced by pallidal neurostimulation in dystonia: clinical risk factors and anatomical mapping

Pat No/Sex

Dystonia Type

Age at Onset [yrs]

Age at Surgery [yrs]

Disease Duration [yrs]

Bradykinesia Items Full Stim.

Bradykinesia Items Half Stim.

TSUI Score Full Stim.

TSUI Score Half Stim.

Mean Amplitude [mA]

Mean Pulse Width [µs]

Mean Frequency [Hz]

P01 / f

CER

36

45

10

9.5

7

4

3

6.8

90

179

P02 / m

CER

33

61

28

8.5

5.5

10.5

8,5

4.7

90

179

P03 / f

CER

18

45

27

6

7

5.5

4

2.45

60

180

P04 / f

CER

50

60

10

13

9

3

5

3.8

40

179

P05 / m

SEG

44

46

2

14.5

10.5

0.5

1.5

3.8

120

170

P06 / f

SEG

50

52

2

5.5

6.5

2.5

6.5

2.65

90

180

P07 / f

CER

4

63

59

8

8

2.5

2.5

4

90

130

P08 / f

CER

61

65

4

18

17

4

6.5

5.25

90

180

P09 / f

CER

55

56

11

20.5

20

3

3

3.4

60

180

P10 / f

CER

39

64

25

10.5

10

4.5

4.5

4

60

179

P11 / f

CER

50

64

9

14.5

9.5

2.5

3.4

4.1

120

130

Mean Cohort II

 

40

56

17

11.7

10

3.8

4.4

4.1

82.7

169.6

Mean Cohort I

 

37

52

12

NA

NA

NA

NA

3.4

105

150

  1. Values for ‘Bradykinesia Items’ represent the sum of items 3.4–3.8 from the MDS-UPDRS III, assessed under full and half stimulation conditions. The bottom two rows provide mean values for the prospective (Cohort II) and retrospective (Cohort I) cohorts for direct comparison.
  2. CER cervical dystonia, Full Stim. chronic full stimulation settings, Half Stim. stimulation amplitude reduced by 50% from chronic settings, MDS-UPDRS III Movement Disorder Society Unified Parkinson’s Disease Rating Scale Part III, SEG segmental dystonia, TSUI Tsui Dystonia Rating Scale, yrs years.