Table 2 Clinical and demographic characteristics of non-L_A allele carriers and L_A allele carriers in OCD patients

Age (years, mean ± SD)^a

36.77 ± 12.50

31.30 ± 10.15

Gender (female/male)^b

15/15

5/5

Handedness (right/left)^b

27/3

10/0

Education (years, mean ± SD)^a

13.23 ± 2.46

15.00 ± 1.70

Illness duration (years, mean ± SD)^a

12.27 ± 10.75

8.50 ± 7.61

Age of onset (years, mean ± SD)^a

24.53 ± 11.90

22.30 ± 9.30

Total Y-BOCS (total score, mean ± SD)^a

22.75 ± 6.53

19.44 ± 5.15

HDRS (17 items)^a

6.76 ± 7.61

4.10 ± 3.70