Table 4

Comparison of PDQ39 quality of life scores pre-operatively and post operatively

  • Baseline

  • Mean (SD)

  • Median

  • Range

  • Follow-up (ON-stim)

  • Mean (SD)

  • Median

  • Range

  • Difference from baseline to follow-up ON-stim

  • Mean (SD)

  • Median

  • p value

PDQ39 SI

  • 30.2 (13.0)

  • 28.2

  • 5.7 to 59.8

  • 24.7 (15.0)

  • 23.8

  • 5.9 to 78.2

  • 5.5 points (17.3)

  • 7.9 points

  • p=0.04

Mobility

  • 50.8 (22.0)

  • 52.5

  • 0 to 95

  • 40.1 (25.1)

  • 40.0

  • 2.5 to 100

  • 10.7 points (25.6)

  • 12.5

  • p=0.08

ADL

  • 38.5 (20.5)

  • 37.5

  • 4.2 to 75

  • 26.2 (19.6)

  • 20.8

  • 0 to 87.5

  • 12.3 points (23.6)

  • 12.5

  • p=0.002

Cognition

  • 24.7 (17.8)

  • 18.8

  • 0 to 68.8

  • 21.4 (18.9)

  • 18.75

  • 0 to 87.5

  • 3.3 points (20.1)

  • 6.3

  • p=0.12

Communication

  • 23.0 (19.6)

  • 16.7

  • 0 to 66.7

  • 28.9 (21.7)

  • 25

  • 0 to 83.3

  • −5.9 points (21.8)

  • −8.3

  • p=0.08

Emotional

  • 21.5 (15.1)

  • 16.7

  • 0 to 62.5

  • 21.3 (18.1)

  • 20.8

  • 0 to 83.3

  • 0.2 points (22.3)

  • 4.2

  • p=0.37

Stigma

  • 26.4 (23.0)

  • 25.0

  • 0 to 87.5

  • 14.9 (17.5)

  • 12.5

  • 0 to 75

  • 11.5 points (26.4)

  • 6.3

  • p=0.009

Social Support

  • 12.9 (16.3)

  • 8.3

  • 0 to 66.7

  • 13.7 (19.8)

  • 8.3

  • 0 to 83.3

  • 0.8 points (17.2)

  • 0

  • p=0.33

Bodily discomfort

  • 43.5 (24.5)

  • 41.7

  • 0 to 75

  • 31.0 (22.9)

  • 25

  • 0 to 100

  • 12.5 points (30.2)

  • 8.3

  • p=0.0009

  • SI, Summary Index=sum of change in each PDQ39 dimension/8; ADL, Activities of Daily Living.