TABLE 1.
Demographic and clinical characteristics of drug‐naïve OCD patients and HCs
| OCD (n = 73) | HCs (n = 73) | Significance | ||||
|---|---|---|---|---|---|---|
| Characteristic | Mean | SD | Mean | SD | t/χ2 | p |
| Sex (male: female) | 43:30 | — | 43:30 | — | 0.000 | 1.000 |
| Age (years) | 29.70 | 8.51 | 28.19 | 10.84 | 0.934 | .352 |
| Illness duration (years) | 7.47 | 5.51 | — | — | — | — |
| Age of onset (years) | 22.23 | 7.21 | — | — | — | — |
| Y‐BOCS total | 20.97 | 5.26 | — | — | — | — |
| Obsessions | 12.40 | 4.44 | — | — | — | — |
| Compulsions | 8.58 | 5.34 | — | — | — | — |
| HAMD 17 | 8.68 | 5.28 | — | — | — | — |
| HAMA 14 | 9.16 | 4.70 | — | — | — | — |
Abbreviations: HAMA, Hamilton Anxiety Rating Scale; HAMD, Hamilton Depression Rating Scale; HCs, healthy control subjects; OCD, obsessive–compulsive disorder; SD, standard deviation; Y‐BOCS, Yale‐Brown Obsessive–Compulsive Scale.