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RAADS-14 Screen: validity of a screening tool for autism spectrum disorder in an adult psychiatric population
Department of Clinical Neuroscience, Karolinska Institutet, Northern Stockholm Psychiatry, VUB/KogNUS, St. Göran Hospital, Stockholm, Sweden.
Northern Stockholm Psychiatry, VUB/KogNUS, St. Göran Hospital, Stockholm, Sweden.
Department of Clinical Neuroscience, Karolinska Institutet, Northern Stockholm Psychiatry, VUB/KogNUS, St. Göran Hospital, Stockholm, Sweden.ORCID iD: 0000-0002-3587-6075
2013 (English)In: Molecular Autism, ISSN 2040-2392, Vol. 4, no 1, 49Article in journal (Refereed) Published
Abstract [en]

Background: Autism spectrum disorder (ASD) can be difficult to distinguish from other psychiatric disorders. The clinical assessment of ASD is lengthy, and has to be performed by a specialized clinician. Therefore, a screening instrument to aid in the identification of patients who may have undiagnosed ASD should be useful. The purpose of this study was to develop such a screening instrument.

Methods: Based on the 80 item Ritvo Autism and Asperger Diagnostic Scale-Revised (RAADS-R), we developed a 14 item self-evaluation questionnaire, the RAADS-14 Screen. In total, 135 adults with ASD and 508 psychiatric controls completed the abridged version of the RAADS-R.

Results The RAADS-14 Screen score was significantly higher in the ASD group than in the control samples, with a median score of 32 for ASD, 15 for attention deficit hyperactivity disorder, and 11 for other psychiatric disorders (P < 0.001). A cut-off score of 14 or above reached a sensitivity of 97% and a specificity of 46 to 64%. A factor analysis identified three factors consistent with mentalizing deficits, social anxiety, and sensory reactivity relevant for the diagnosis of ASD. The psychometric properties of RAADS-14 Screen were shown to be satisfactory.

Conclusions: The results of this study indicate that RAADS-14 Screen is a promising measure in screening for ASD in adult psychiatric outpatients.

Place, publisher, year, edition, pages
London, United Kingdom: BioMed Central, 2013. Vol. 4, no 1, 49
Keyword [en]
Autistic disorder, Asperger syndrome, Adult, Screening, Self-assessment, Rating scale
National Category
Medical and Health Sciences Psychiatry
Identifiers
URN: urn:nbn:se:oru:diva-50136DOI: 10.1186/2040-2392-4-49ISI: 000332333200002PubMedID: 24321513OAI: oai:DiVA.org:oru-50136DiVA: diva2:925924
Available from: 2016-05-03 Created: 2016-05-03 Last updated: 2017-10-17Bibliographically approved

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