Demographic and clinical characteristics of TPH2 GG homozygotes and T carriers
| GG (n=37) | TT/TG (n=32) | P value | |
| Age, mean (SD) | 47.1 (11.6) | 40.5 (12.1) | 0.03 |
| Female, n (%) | 31 (84) | 23 (72) | 0.26 |
| Disease duration, mean (SD) | 5.4 (7.3) | 7.4 (8.6) | 0.32 |
| HAM-A, mean (SD) | 13.1 (7.4) | 14.2 (8.5) | 0.58 |
| HAM-D, mean (SD) | 9.4 (5.9) | 10.8 (7.2) | 0.37 |
| CTQ, mean (SD) | 38.4 (18.6) | 43.6 (14.5) | 0.21 |
| Depression Dx (SCID), n (%) | 3 (8) | 4 (13) | 0.70 |
CTQ, Childhood Trauma Questionnaire; Dx, diagnosis; HAM-A, Hamilton Anxiety Rating Scale; HAM-D, Hamilton Rating Scale for Depression; SCID, Structured Clinical Interview for DSM-IV-TR, Patient Edition.