The Community Assessment of Psychic Experiences: Optimal cut‐off scores for detecting individuals with a psychotic disorder.
Saved in:
| Title: | The Community Assessment of Psychic Experiences: Optimal cut‐off scores for detecting individuals with a psychotic disorder. |
|---|---|
| Authors: | Jaya, Edo S. (AUTHOR), van Amelsvoort, Therese (AUTHOR), Bartels‐Velthuis, Agna A. (AUTHOR), Bruggeman, Richard (AUTHOR), Cahn, Wiepke (AUTHOR), de Haan, Lieuwe (AUTHOR), Kahn, Rene S. (AUTHOR), van Os, Jim (AUTHOR), Schirmbeck, Frederike (AUTHOR), Simons, Claudia J. P. (AUTHOR), Lincoln, Tania M. (AUTHOR) |
| Source: | International Journal of Methods in Psychiatric Research. Dec2021, Vol. 30 Issue 4, p1-12. 12p. 4 Charts, 1 Graph. |
| Subjects: | Psychoses, Flow theory (Psychology), Odds ratio, Case-control method, Symptoms |
| Abstract: | Objectives: The need for a brief screening tool for psychosis is widely recognized. The Community Assessment of Psychic Experiences (CAPE) is a popular self‐report measure of psychosis, but a cut‐off score that can detect those most likely to fulfill diagnostic criteria for psychotic disorder is not established. Methods: A case–control sample from the Genetic Risk and Outcome of Psychosis Project study (N = 1375, healthy individuals, n = 507, and individuals with a psychotic disorder, n = 868), was used to examine cut‐off scores of the CAPE with receiver operating curve analyses. We examined 27 possible cut‐off scores computed from a combination of scores from the frequency and distress scales of the various factors of the CAPE. Results: The weighted severity positive symptom dimension was most optimal in detecting individuals with a psychotic disorder (>1.75 cut‐off; area under the curve = 0.88; sensitivity, 75%; specificity, 88%), which correctly identified 80% of the sample as cases or controls with a diagnostic odds ratio of 22.69. Conclusions: The CAPE can be used as a first screening tool to detect individuals who are likely to fulfill criteria for a psychotic disorder. The >1.75 cut‐off of the weighted severity positive symptom dimension provides a better prediction than all alternatives tested so far. [ABSTRACT FROM AUTHOR] |
| Copyright of International Journal of Methods in Psychiatric Research is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Psychology and Behavioral Sciences Collection |
|
Full text is not displayed to guests.
Login for full access.
|
|
| Abstract: | Objectives: The need for a brief screening tool for psychosis is widely recognized. The Community Assessment of Psychic Experiences (CAPE) is a popular self‐report measure of psychosis, but a cut‐off score that can detect those most likely to fulfill diagnostic criteria for psychotic disorder is not established. Methods: A case–control sample from the Genetic Risk and Outcome of Psychosis Project study (N = 1375, healthy individuals, n = 507, and individuals with a psychotic disorder, n = 868), was used to examine cut‐off scores of the CAPE with receiver operating curve analyses. We examined 27 possible cut‐off scores computed from a combination of scores from the frequency and distress scales of the various factors of the CAPE. Results: The weighted severity positive symptom dimension was most optimal in detecting individuals with a psychotic disorder (>1.75 cut‐off; area under the curve = 0.88; sensitivity, 75%; specificity, 88%), which correctly identified 80% of the sample as cases or controls with a diagnostic odds ratio of 22.69. Conclusions: The CAPE can be used as a first screening tool to detect individuals who are likely to fulfill criteria for a psychotic disorder. The >1.75 cut‐off of the weighted severity positive symptom dimension provides a better prediction than all alternatives tested so far. [ABSTRACT FROM AUTHOR] |
|---|---|
| ISSN: | 10498931 |
| DOI: | 10.1002/mpr.1893 |
