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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