Obsessive-compulsive neurosis, anacastic symptomatology and ABO blood types

Abstract
Determination of ABO blood types was carried out in 38 patients with obsessive-compulsive neurosis, 48 schizophrenics with anancastic symptomatology, 31 depressives with anancastic symptomatology, 260 schizophrenics free of anancastic symptomatology and 65 depressives free of anancastic symptomatology. Results were compared with a representative sample of the general population. An association between obsessive-compulsive neurosis and phenotype A may exist, while a similar association between ABO blood types and anancastic symptomatology occurring in the course of psychotic disorders was not found. Current diagnostic and etiological issues in obsessive-compulsive neurosis were discussed.

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