Table 5

Quality of life at baseline, three, and 12 months after surgery (mean/SD) and number of patients displaying test score changes of two or more standard deviations from three to 12 months and baseline to 12 months

BaselineThree months after surgeryTwleve months after surgeryImprovementDecline
>2 SD>2 SD
3-12B-123-12B-12
*Lower score is better; Bonferroni p<0.05 baseline to three months, Bonferroni p≤0.05 baseline to 12 months.
Quality of life (n=29)
Sickness Impact Profile (%)*
    Physical4.63 (5.11)5.02 (6.68)7.73 (12.01)0023
    Psychosocial8.59 (5.97)4.95 (6.76)6.37 (8.46)1121
    Overall7.95 (4.80)6.13 (6.41)7.82 (9.92)1022
Modified Parkinson’s Disease Questionnaire (%)*
    Mobility20.03 (19.62)17.66 (23.80)21.55 (25.02)0000
    Activities of Daily Living† ‡48.55 (15.84)21.59 (20.75)27.38 (27.69)0210
    Emotional well being† ‡23.90 (15.02)9.55 (11.42)14.38 (13.53)0000
    Stigma† ‡35.69 (27.32)11.93 (20.46)16.28 (19.13)1300
    Social support9.52 (13.69)4.76 (9.44)7.72 (13.32)0000
    Cognition18.45 (15.72)17.79 (17.54)18.28 (14.55)1000
    Communication21.03 (25.06)10.90 (19.24)13.24 (15.33)1100
    Bodily discomfort15.79 (15.03)18.07 (19.10)19.83 (20.48)1101