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Table 1 Sample sizes and demographics

From: Obsessive-compulsive disorder and attention-deficit/hyperactivity disorder: distinct associations with DNA methylation and genetic variation

Cohort

n

study

Age years (med.)

Sex (% F)

Array batch

control

54

Michigan (n = 19); TAG (n = 35)

4–19 (12)

27%

A (10); B (9); C (35)

OCD

59

POND (n = 33); Michigan (n = 26)

7–13 (9)

44%

A (16); B (15); C (28)

ADHD

22

POND (n = 22)

7–17 (8)

56%

all A

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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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