Table 2

Comparisons of UPDRS III motor scores pre-operatively off- and on-medication, and post-operatively off and on medication/stimulation. UPDRS-Unified Parkinson's disease rating scale

  • Baseline

  • Mean (SD)

  • Median

  • Range

  • Follow-up

  • OFF Stim

  • Mean (SD)

  • Median

  • Range

  • Follow-up

  • ON Stim

  • Mean (SD)

  • Median

  • Range

  • Improvement from Baseline to follow-up ON Stim

  • Mean (SD)

  • Median

  • Range

  • Mean Per cent (SD)

  • Median Per cent

  • Range

  • Summary data (p value)

  • Improvement from follow-up OFF stim to ON stim

  • Mean (SD)

  • Median

  • Range

  • Mean Per cent (SD)

  • Median Per cent

  • Range

  • Summary data (p value)

  • UPDRS III motor score

  • off-medication

  • 51.5 (14.9)

  • 51

  • 19 to 88

  • 54.7 (17.6)

  • 51

  • 27 to 100

  • 23.8 (11.2)

  • 21

  • 7 to 59

  • 27.7 (13.8)

  • 27

  • −3 to 67

  • 52.0% (20.9)

  • 56.3%

  • −15.8% to 88.5%

  • Improved n=75

  • Worsened n=1

  • (p<0.0001)

  • 31.0 (14.5)

  • 30

  • 2 to 71

  • 55.5% (16.8)

  • 57.7%

  • 7.4% to 87.9%

  • Improved 76

  • Worsened 0

  • (p<0.0001)

  • UPDRS III motor score

  • on-medication

  • 14.6 (7.7)

  • 14

  • 2 to 39

  • Not assessed

  • 14.5 (8.3)

  • 12

  • 2 to 41

  • 0.0 (7.97)

  • 1.0

  • −27 to 21

  • −23.4% (91.2)

  • 3.0%

  • −400% to 75%

  • Improved 37

  • Unchanged 4

  • Worsened 33

  • (p=0.72)

Not assessed