Baseline demographic and clinical characteristics of participants
| Group, mean ± SD* | ||||
|---|---|---|---|---|
| Characteristic | DBS, n = 16 | Control, n = 14 | Statistic | p value |
| Age, yr | 42.56 ± 11.4 | 38.00 ± 9.8 | t = 1.18 | 0.25 |
| Sex, male:female | 9:7 | 5:9 | χ2 = 1.27 | 0.26 |
| DART-IQ | 92.4 ± 9.2 | 94.4 ± 9.0 | t = −0.62 | 0.54 |
| Age at onset, yr | 14.2 ± 7.4 | 16.3 ± 6.8 | t = −0.81 | 0.43 |
| Duration of illness, yr | 29.0 ± 12.5 | 23.7 ± 8.4 | t = 1.37 | 0.18 |
| Y-BOCS score | 33.7 ± 3.6 | 32.4 ± 4.6 | t = 0.87 | 0.40 |
| HAM-A score | 20.9 ± 5.9 | 20.21 ± 8.3 | t = 0.25 | 0.80 |
| HAM-D score | 19.5 ± 6.7 | 17.6 ± 8.3 | t = 0.70 | 0.49 |
DART-IQ = Dutch Adult Reading Test Intelligence Quotient; DBS = deep brain stimulation; HAM-A = Hamilton Anxiety Rating Scale; HAM-D = Hamilton Rating Scale for Depression; SD = standard deviation; Y-BOCS = Yale–Brown Obsessive Compulsive Scale.
↵* Unless otherwise indicated.