TABLE 1.
Demographic and clinical characteristics of participants
| HC (N = 106) | OCD (N = 100) | p | |
|---|---|---|---|
| Male, no. (%) | 53 (50.00) | 53 (53.00) | .99 a |
| Age, mean (SD) [range], y | 23.09 (5.63) [16–43] | 22.93 (9.31) [12–49] | .88 b |
| Educational level, mean (SD), y | 15.18 (3.19) | 11.82 (3.16) | <.01 b |
| Duration of illness, mean (SD), m | — | 48.08 (57.61) | |
| Y‐BOCS score, mean (SD) | — | 21.92 (7.09) | |
| TIV, mean (SD), 103 cm3 | 1.55 (0.13) | 1.55 (0.14) | .70 b |
| IQR, mean (SD) | 2.09 (0.15) | 2.09 (0.16) | .98 b |
Abbreviations: HC, healthy control; OCD, obsessive–compulsive disorder; IQR, imaging quality rating; TIV, total intracranial volume; Y‐BOCS, Yale–Brown Obsessive Compulsive Scale.
a
χ 2 t test.
b
Two‐tailed two sample t test.