Investigation of a traumatic psychosis subgroup: a cluster analysis of an antipsychotic free cohort

Childhood trauma is linked to an increased risk of developing psychosis in adulthood. The extent and severity of trauma experienced is known to correlate with the intensity or presence of specific psychotic symptoms. The relative impact of types of abuse and neglect (sexual, physical, emotional) is...

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Bibliographic Details
Published in:Psychosis 2019-10, Vol.11 (4), p.298-307
Main Authors: Stevens, Lucy H., Turkington, Douglas, Drage, Laura, Morrison, Tony, Muncer, Steven, Spencer, Helen M., Dudley, Robert
Format: Article
Language:English
Subjects:
Antipsychotics
childhood abuse
childhood neglect
Cluster analysis
Psychosis
Trauma
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Summary:Childhood trauma is linked to an increased risk of developing psychosis in adulthood. The extent and severity of trauma experienced is known to correlate with the intensity or presence of specific psychotic symptoms. The relative impact of types of abuse and neglect (sexual, physical, emotional) is unknown. Cluster analysis was used to create natural groupings of similarity based on Childhood Trauma Questionnaire Scores (CTQ) in a sub-sample of 51 anti-psychotic-free patients with diagnoses of Schizophrenia Spectrum Disorders from the ACTION trial. The derived clusters were compared on the Positive and Negative Syndrome Scale (PANSS) scores. Two clusters emerged: one characterized by abuse and the other by neglect. The abuse group was found to have significantly higher positive symptoms scores (p 
ISSN:1752-2439
1752-2447
DOI:10.1080/17522439.2019.1628290