Diagnostic Accuracy of the CASI-4R Psychosis Subscale for Children Evaluated in Pediatric Outpatient Clinics

Sabeen H. Rizvi, Stephanie Salcedo, Eric A. Youngstrom, Lindsey K. Freeman, Kenneth D. Gadow, Mary A. Fristad, Boris Birmaher, Robert A. Kowatch, Sarah M. Horwitz, Thomas W. Frazier, L. Eugene Arnold, H. Gerry Taylor, Robert L Findling

Research output: Contribution to journalArticle

Abstract

Diagnostic accuracy of the Diagnostic and Statistical Manual of Mental Disorders–oriented Child and Adolescent Symptom Inventory (CASI-4R) Psychotic Symptoms scale was tested using receiver operating characteristic analyses to identify clinically significant psychotic symptoms. Participants were new outpatients (N = 700), ages 6.0 to 12.9 years (M = 9.7, SD = 1.8) at 9 child outpatient mental health clinics, who participated in the Longitudinal Assessment of Manic Symptoms (LAMS) Study baseline assessment. Because LAMS undersampled participants with low mania scores by design, present analyses weighted low scorers to produce unbiased estimates. Psychotic symptoms, operationally defined as a score of 3 or more for hallucinations or 4 or more for delusions based on the Schedule for Affective Disorders and Schizophrenia (K-SADS) psychosis items, occurred in 7% of youth. K-SADS diagnoses for those identified with psychotic symptoms above threshold included major depressive disorder, bipolar spectrum disorder, attention deficit/hyperactivity disorder, posttraumatic stress disorder, psychotic disorders, and autism spectrum disorder. The optimal psychosis screening cut score (maximizing sensitivity and specificity) was 2.75+ (corresponding diagnostic likelihood ratio [DiLR] = 4.29) for the parent version and 3.50+ (DiLR = 5.67) for the teacher version. The Area under the Curve for parent and teacher report was.83 and.74 (both p < .001). Parent report performed significantly better than teacher report for identifying psychotic symptoms above threshold (p = .03). The CASI-4R Psychosis subscale (J) appears clinically useful for identifying psychotic symptoms in children because of its brevity and accuracy.

Original languageEnglish (US)
Pages (from-to)610-621
Number of pages12
JournalJournal of Clinical Child and Adolescent Psychology
Volume48
Issue number4
DOIs
StatePublished - Jul 4 2019

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Ambulatory Care Facilities
Psychotic Disorders
Pediatrics
Symptom Assessment
Bipolar Disorder
Outpatients
Delusions
Hallucinations
Major Depressive Disorder
Attention Deficit Disorder with Hyperactivity
Post-Traumatic Stress Disorders
Mood Disorders
ROC Curve
Area Under Curve
Schizophrenia
Appointments and Schedules
Mental Health
Sensitivity and Specificity
Equipment and Supplies

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Clinical Psychology

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Diagnostic Accuracy of the CASI-4R Psychosis Subscale for Children Evaluated in Pediatric Outpatient Clinics. / Rizvi, Sabeen H.; Salcedo, Stephanie; Youngstrom, Eric A.; Freeman, Lindsey K.; Gadow, Kenneth D.; Fristad, Mary A.; Birmaher, Boris; Kowatch, Robert A.; Horwitz, Sarah M.; Frazier, Thomas W.; Arnold, L. Eugene; Taylor, H. Gerry; Findling, Robert L.

In: Journal of Clinical Child and Adolescent Psychology, Vol. 48, No. 4, 04.07.2019, p. 610-621.

Research output: Contribution to journalArticle

Rizvi, SH, Salcedo, S, Youngstrom, EA, Freeman, LK, Gadow, KD, Fristad, MA, Birmaher, B, Kowatch, RA, Horwitz, SM, Frazier, TW, Arnold, LE, Taylor, HG & Findling, RL 2019, 'Diagnostic Accuracy of the CASI-4R Psychosis Subscale for Children Evaluated in Pediatric Outpatient Clinics', Journal of Clinical Child and Adolescent Psychology, vol. 48, no. 4, pp. 610-621. https://doi.org/10.1080/15374416.2017.1410824
Rizvi, Sabeen H. ; Salcedo, Stephanie ; Youngstrom, Eric A. ; Freeman, Lindsey K. ; Gadow, Kenneth D. ; Fristad, Mary A. ; Birmaher, Boris ; Kowatch, Robert A. ; Horwitz, Sarah M. ; Frazier, Thomas W. ; Arnold, L. Eugene ; Taylor, H. Gerry ; Findling, Robert L. / Diagnostic Accuracy of the CASI-4R Psychosis Subscale for Children Evaluated in Pediatric Outpatient Clinics. In: Journal of Clinical Child and Adolescent Psychology. 2019 ; Vol. 48, No. 4. pp. 610-621.
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