Table 2.
Demographic and clinical characteristics of subjects
| OCD (N=23) | HCs (N=23) | Statistics*(t or χ2) | p-value | |
|---|---|---|---|---|
| Age (years) | 24.74±5.42 | 22.57±3.48 | -1.62 | 0.113 |
| Gender (male/female) | 19/4 | 19/4 | 0.00 | 1.000 |
| Handedness (left/right) | 1/22 | 1/22 | 0.00 | 1.000 |
| IQ | 110.39±15.61 | 109.87±16.53 | -0.11 | 0.913 |
| Education years (years) | 13.70±1.96 | 13.22±3.46 | 0.58 | 0.568 |
| Onset age (years) | 18.05±6.33 | - | - | - |
| Duration of illness (years) | 6.68±4.89 | - | - | - |
| Y-BOCS score | ||||
| Total | 23.43±6.79 | - | - | - |
| Obsession | 12.00±4.00 | - | - | - |
| Compulsion | 11.43±3.42 | - | - | - |
| HAM-D | 12.61±6.89 | - | - | - |
| HAM-A | 13.00±7.08 | - | - | - |
*
numerical data were assessed by an independent t-test if the variances were equal or by Welch’s t-test otherwise; Fisher’s exact test was used for categorical data.
OCD: obsessive-compulsive disorder, HCs: healthy controls, IQ: intelligence quotient, Y-BOCS: Yale-Brown Obsessive Compulsive Scale, HAM-D: Hamilton Rating Scale for Depression, HAM-A: Hamilton Rating Scale for Anxiety