Chunk #6 — Methods — Study population

Source

The Genetic Architecture of Obsessive-Compulsive Disorder: Contribution of Liability to OCD From Alleles Across the Frequency Spectrum.

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In the EGOS cohort, individuals born between 1954 and 1998, with at least two clinical diagnoses of OCD in the Swedish National Patient Register (NPR), were eligible for inclusion (21). In the Swedish site of the NORDiC cohort, individuals with OCD were recruited from specialty OCD and related disorder clinics across Sweden (22). Genotype data on the global screen array (GSA) were collected for 1108 individuals from the EGOS cohort and 1107 individuals from the NORDiC cohort.