Measure | Best score/ worst score | Preoperative (n=31) | 6 months postoperative (n=31) | p Value3-150 | 12 months postoperative (n=18) | p-value3-151 |
UPDRS 3 | 0/108 | 19.5 (1–78) | 20 (2–54) | 0.54 | 25 (3–45) | 0.67 |
Tremor contralateral | 0/12 | 0 (0–6) | 0 (0–6) | 0.30 | 0 (0–1) | 0.09 |
Tremor ipsilateral | 0/12 | 0 (0–5) | 0 (0–5) | 0.23 | 0 (0–5) | 0.95 |
Akinesia contralateral | 0/16 | 6 (0–14) | 6 (0–14) | 0.81 | 5.5 (2–14) | 0.90 |
Akinesia ipsilateral | 0/16 | 4.5 (0–14) | 5 (0–11) | 0.98 | 4.5 (0–10) | 0.82 |
Rigidity contralateral | 0/8 | 1 (0–7) | 1 (0–4) | 0.15 | 1 (0–3) | 0.31 |
Rigidity ipsilateral | 0/8 | 0.5 (0–8) | 1 (0–4) | 0.96 | 0.5 (0–6) | 0.82 |
PIGD | 0/12 | 3 (0–11) | 2 (0–10) | 0.23 | 3 (0–12) | 0.02 |
DRS | 0/24 | 7.5 (0–21) | 2 (0–8) | <0.001 | 2.5 (0–13) | 0.01 |
DRS contralateral | 0/8 | 3.5 (0–8) | 0 (0–3) | <0.001 | 0 (0–5) | <0.001 |
DRS ipsilateral | 0/8 | 2 (0–8) | 2 (0–5) | 0.37 | 1.5 (0–5) | 1.0 |
UPDRS 2 | 0/52 | 12 (4–26) | 12 (4–26) | 0.32 | 11 (5–21) | 0.94 |
Barthel index | 0/20 | 20 (11–20) | 19 (12–20) | 0.92 | 19.5 (7–20) | 0.72 |
SE scale | 100/0 | 80 (30–90) | 80 (50–100) | 0.22 | 85 (30–90) | 0.26 |
PDQL | 185/37 | 111 (61–141) | 88 (43–163) | <0.001 | 95.5 (48–142) | 0.03 |
UPDRS=Unified Parkinson's disease rating scale; PIGD=postural instabilty and gait disturbances; DRS=dyskinesia rating scale; SE scale=Schwab and England scale; PDQL=Parkinson's disease quality of life questionnaire.
↵3-150 Data compared with preoperative data (Wilcoxon signed ranks test).
↵3-151 Data compared with preoperative and six months postoperative data (Friedman test).