TABLE 5.
Characteristics of Patients with PD Who Experienced De Novo ICD Symptoms as defined by QUIP‐RS ≥10 at Year 1
| ID | Treatment group | Age* | Sex | Disease duration (years)** | DBS target | Unilateral or Bilateral | Baseline QUIP‐RS score | Baseline LEDD | Baseline LED‐DA | Year 1 QUIP‐RS | Year 1 LEDD | Year 1 LED‐DA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | DBS | 61.95 | Male | 2 | STN | bilateral | 0 | 1000 | 0 | 10 | 0 | 0 |
| 2 | DBS | 55.80 | Male | 4 | STN | bilateral | 2 | 920 | 0 | 18 | 750 | 0 |
| 3 | DBS | 55.08 | Male | 4 | STN | bilateral | 5 | 800 | 0 | 14 | 800 | 0 |
| 4 | DBS | 60.45 | Male | 4 | STN | unilateral | 0 | 1000 | 0 | 14 | 1250 | 0 |
| 5 | Control | 62.82 | Male | 1 | n/a | n/a | 0 | 300 | 300 | 15 | 300 | 300 |
| 6 | Control | 61.18 | Male | 9 | n/a | n/a | 6 | 1169.5 | 0 | 17 | 1444 | 0 |
| 7 | Control | 68.64 | Male | 13 | n/a | n/a | 0 | 840 | 240 | 14 | 840 | 240 |
| 8 | Control | 58.76 | Male | 8 | n/a | n/a | 8 | 900 | 300 | 23 | 1050 | 300 |
Abbreviations: DBS, deep brain stimulation; ICD, impulse control disorder; LEDD, levodopa equivalent daily dose; LED‐DA, levodopa equivalent dose from dopamine agonists; QUIP‐RS, questionnaire for impulse control disorders in Parkinson's disease rating scale.
*
Age in years, at baseline visit (approximately one‐month prior to DBS surgery for patients undergoing surgery and first interview for the control group).
**
Disease duration (year at baseline visit—year of diagnosis of Parkinson's disease).