Chunk #12 — RESULTS — Predictors of TS-related diagnoses in the offspring

Source

Familiality of Tourette syndrome, obsessive-compulsive disorder, and attention-deficit/hyperactivity disorder: heritability analysis in a large sib-pair sample.

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As can be seen in Table 2, which shows rates of mothers, fathers, and offspring with no diagnoses, with simple phenotypes (TS alone, OCD alone, or ADHD alone) and with complex phenotypes (TS+OCD, TS+ADHD, OCD+ADHD, or TS+OCD+ADHD), offspring were more likely to have complex phenotypes than were parents, and mothers were more likely than fathers to have complex phenotypes. Of the parents, mothers were more likely to have OCD alone than were fathers, and fathers were more likely than mothers to have ADHD alone, while both had similar rates of TS alone.