Table 1.
Demographic and clinical characteristics of the participants
| Variable | OCD (N=106) | HCs (N=105) | χ2/t | p |
|---|---|---|---|---|
| Age (yr) | 24.9±6.9 | 25.3±6.5 | -0.35 | 0.729 |
| Sex, male/female | 71/35 | 66/39 | 0.63 | 0.533 |
| IQ | 112.7±12.5 | 109.7±15.8 | 1.56 | 0.122 |
| Handedness, left/right | 7/99 | 1/104 | -0.53 | 0.595 |
| Education (yr) | 14.2±2.3 | 14.2±2.1 | -0.09 | 0.931 |
| Duration of illness (yr) | 6.8±5.7 | - | - | - |
| Y-BOCS | ||||
| Total | 26.6±6.3 | - | - | - |
| Obsession | 14.0±3.0 | - | - | - |
| Compulsion | 12.5±4.3 | - | - | - |
| HAM-D | 11.8±6.2 | - | - | - |
| HAM-A | 10.9±6.0 | - | - | - |
| Comorbidity | ||||
| None | 61 (57.5) | - | - | - |
| Depressive disorder | 36 (34.0) | - | - | - |
| Bipolar disorder | 6 (5.7) | - | - | - |
| Personality disorder | 3 (2.8) | - | - | - |
Data are presented as mean±standard deviation, number, or number (%). Y-BOCS, Yale Brown Obsessive-Compulsive Scale; HAM-D, Hamilton Rating Scale for Depression; HAM-A, Hamilton Rating Scale for Anxiety; OCD, obsessive-compulsive disorder patients; HCs, healthy controls (age-, sex-, and handedness-matched)