ABO blood groups in manic-depressive patients

Zoltán Rihmer, Mihály Arató

Research output: Contribution to journalArticle

13 Citations (Scopus)


The authors compared the ABO blood type distribution pattern of 246 manic-depressive patients to that of 6000 controls. The blood type distribution of all patients did not differ from that of the controls. After subdivision of the patients into subgroups Bipolar I (n = 151) and Bipolar II (n = 95) significant differences were found for blood types O and A between the 2 subgroups, and between the Bipolar II patients and controls. The distribution of blood groups in Bipolar I subgroup did not differ from that of the controls. After division of the patients into 3 diagnostic subgroups (Bipolar-A, n = 30; Bipolar-B, n = 121; Bipolar-C, n = 95) significant differences were found in the distribution of blood groups O and A among the 3 subgroups, and Bipolar-A and Bipolar-C patients also differed from the controls. The results may provide additional support for the subclassification of bipolar major affective disorders into 3 subgroups.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalJournal of affective disorders
Issue number1
Publication statusPublished - Mar 1981

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

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