What Is the Prevalence of Visual Hallucinations in a First-Episode Psychosis Population? A Systematic Review and Meta-analysis of the Literature.
Schizophr Bull Open
; 4(1): sgad002, 2023 Jan.
Article
in En
| MEDLINE
| ID: mdl-39145351
ABSTRACT
Background and Hypothesis:
This systematic review and meta-analysis review the literature regarding the prevalence of visual hallucinations in patients with first-episode psychosis. Previous reviews have focused on the prevalence of visual hallucinations in a general psychosis population, highlighting a weighted prevalence of 27%. However, no reviews have focused specifically on the experiences of those with a first episode of psychosis. Understanding "first-episode" experiences is crucial, as intervention during this "critical period" is thought to define long-term outcome. Therefore, it is important that the prevalence of different symptoms during this period is accurately represented. StudyDesign:
Systematic searches yielded 15 studies to be meta-analyzed. Information to calculate event rates was extracted. Studies were rated for their methodological quality using a risk of bias tool. The quality of included studies varied; generalizability bias was the domain with the most risk of bias. StudyResults:
Prevalence rates were synthesized from the 15 papers included in the final analysis, which generated a weighted prevalence estimate of 33% of people with first-episode psychosis experiencing visual hallucinations. Subgroup analyses were carried out and did not demonstrate significant associations.Conclusions:
This meta-analysis provides a robust estimate of 33% for the prevalence of visual hallucinations in first-episode psychosis; highlighting that visual hallucinations are relatively common experiences.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Language:
En
Journal:
Schizophr Bull Open
Year:
2023
Document type:
Article
Country of publication:
United States