Article
Obsessive-compulsive disorder: subclassification based on co-morbidity.
Psychological medicine - 1 Sept 2009
Nestadt G, Di C Z, Riddle M A, Grados M A, Greenberg B D, Fyer A J, McCracken J T, Rauch S L, Murphy D L, Rasmussen S A, Cullen B, Pinto A, Knowles J A, Piacentini J, Pauls D L, Bienvenu O J, Wang Y, Liang K Y, Samuels J F, Roche K Bandeen
Abstract excerpt
BACKGROUND: Obsessive-compulsive disorder (OCD) is probably an etiologically heterogeneous condition. Many patients manifest other psychiatric syndromes. This study investigated the relationship between OCD and co-morbid conditions to identify subtypes. METHOD: Seven hundred and six individuals with OCD were assessed in the OCD Collaborative Genetics Study (OCGS). Multi-level latent class analysis was conducted...
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