Table 2.
Median methylation levels of cytosine-phosphate-guanine units in patients with obsessive–compulsive disorder and healthy controls
| OXTR gene | CpG island unit | OCD patients | Healthy controls | Confidence |
|---|---|---|---|---|
| (n = 42) | (n = 31) | |||
| Median | Median | MpC < MpP | ||
| OXTR1 | 1 | 8.19 | 5.71 | 0.9608 |
| OXTR1 | 2 | 5.24 | 2.32 | 0.9995 |
| OXTR1 | 3 | 2.53 | 1.55 | 0.9983 |
| OXTR1 | 4 | 9.62 | 7.97 | 0.9436 |
| OXTR2 | 1 | 11.65 | 8.62 | 0.9275 |
| OXTR2 | 2 | 25.46 | 18.01 | 0.9591 |
| OXTR2 | 3 | 27.86 | 19.09 | 0.9846 |
| OXTR2 | 4 | 15.50 | 11.50 | 0.9559 |
| OXTR2 | 5 | 18.99 | 12.65 | 0.9625 |
OCD obsessive–compulsive disorder, CpG cytosine-phosphate-guanine; OXTR oxytocin receptor, MpC population median for the control group, MpP population median for the (OCD) patient group