Effects of the bilateral STN DBS on QOL measured with PDQ-39 (n = 14)
| Baseline | 12 months | |
|---|---|---|
| Mean scores at baseline and at 12 months, with percentage change in brackets at 12 months. | ||
| *p<0.05 compared with the condition before surgery (paired Student’s t test, after Bonferroni correction); **p<0.01 compared with the condition before surgery (paired Student’s t test). | ||
| Mobility | 78.8 | 51.3 (−19%) |
| Activities of daily living | 71.4 | 42.0 (−30%)* |
| Emotional wellbeing | 40.8 | 25.6 (−15%) |
| Stigma | 47.3 | 25.9 (−21%)* |
| Social support | 21.4 | 22.0 (+1%) |
| Cognitive impairment | 30.4 | 28.1 (−2%) |
| Communication | 45.8 | 33.3 (−13%) |
| Bodily discomfort | 57.2 | 42.3 (−15%) |
| PDQ-39 Summary Index | 48.1 | 34.5 (−14%)** |