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Devoe DJ, Braun A, Seredynski T, et al. Negative Symptoms and Functioning in Youth at Risk of Psychosis: A Systematic Review and Meta-analysis. Harv Rev Psychiatry. 2020;28(6):341-355doi: 10.1097/HRP.0000000000000273.
Devoe, D. J., Braun, A., Seredynski, T., & Addington, J. (2020). Negative Symptoms and Functioning in Youth at Risk of Psychosis: A Systematic Review and Meta-analysis. Harvard review of psychiatry, 28(6), 341-355. https://doi.org/10.1097/HRP.0000000000000273
Devoe, Daniel J, et al. "Negative Symptoms and Functioning in Youth at Risk of Psychosis: A Systematic Review and Meta-analysis." Harvard review of psychiatry vol. 28,6 (2020): 341-355. doi: https://doi.org/10.1097/HRP.0000000000000273
Devoe DJ, Braun A, Seredynski T, Addington J. Negative Symptoms and Functioning in Youth at Risk of Psychosis: A Systematic Review and Meta-analysis. Harv Rev Psychiatry. 2020 Nov/Dec;28(6):341-355. doi: 10.1097/HRP.0000000000000273. PMID: 33156155; PMCID: PMC8527275.
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Harv Rev Psychiatry. 2020 Nov/Dec;28(6):341-355. doi: 10.1097/HRP.0000000000000273.

Negative Symptoms and Functioning in Youth at Risk of Psychosis: A Systematic Review and Meta-analysis.

Harvard review of psychiatry

Daniel J Devoe, Amy Braun, Thomas Seredynski, Jean Addington

Affiliations

  1. From the Department of Psychiatry, Hotchkiss Brain Institute, University of Calgary.

PMID: 33156155 PMCID: PMC8527275 DOI: 10.1097/HRP.0000000000000273

Abstract

LEARNING OBJECTIVE: After participating in this activity, learners should be better able to:• Evaluate the relationship between negative symptoms and functioning in youth at clinical high risk for psychosis.

AIM: Youth at CHR for psychosis often demonstrate significant negative symptoms and poor functioning, though the magnitude and direction of the relationship between the two remains unknown. The objective of this systematic review is to summarize the relationship between negative symptoms and functioning in CHR samples.

METHOD: Electronic databases CINAHL, EBM, Embase, MEDLINE, and PsycINFO were searched from inception. Studies were selected if they included any study that reported a relationship between negative symptoms and functioning in youth at clinical high risk (CHR). The correlation coefficient r was converted to Cohen's d, and all random-effects meta-analyses were performed using the transformed values.

RESULTS: Forty-one studies met the inclusion criteria, including a total of 4574 individuals at CHR for psychosis. Negative symptom total scores were significantly associated with poorer global functioning (d, -1.40; 95% CI, -1.82 to -0.98; I = 79.4%; p < .001 [9 studies, n = 782]), social functioning (d, -1.10; 95% CI, -1.27 to -0.93; I = 10.40%; p < .001 [12 studies, n = 811]), and role functioning (d, -0.96; 95% CI, -1.17 to -0.76; I = 41.1%; p < .001 [9 studies, n = 881]). In addition, negative symptoms were consistently associated with poor premorbid functioning. When examining negative symptom domains, avolition, anhedonia, and blunted affect were each significantly and independently associated with poorer social functioning and role functioning. In terms of prediction models, negative symptoms contributed to the prediction of lower functioning across multiple studies.

CONCLUSION: This meta-analysis demonstrates a strong relationship between negative symptoms and functioning in youth at clinical high risk for psychosis.

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