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Article

Age at onset in bipolar I affective disorder: further evidence for three subgroups.

The American journal of psychiatry - 1 May 2003

Bellivier Frank, Golmard Jean-Louis, Rietschel Marcella, Schulze Thomas G, Malafosse Alain, Preisig Martin, McKeon Patrick, Mynett-Johnson Lesley, Henry Chantal, Leboyer Marion

Abstract excerpt

OBJECTIVE: Preliminary data suggested that there are three subgroups of bipolar affective disorder based on age at onset. The authors sought to replicate those findings and determine the cut-off age of each subgroup. METHOD: Admixture analysis was used to determine the best-fitting model for the observed ages at onset of 368 consecutively admitted patients. The results obtained were compared with those of the...

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Identifiers

PMID: 12727708
DOI: 10.1176/appi.ajp.160.5.999

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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