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Table 2 Median methylation levels of cytosine-phosphate-guanine units in patients with obsessive–compulsive disorder and healthy controls

From: Epigenetic evidence for involvement of the oxytocin receptor gene in obsessive–compulsive disorder

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

  1. 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