Table 2.

Differences between psychosis of dementia and schizophrenia.^33,34,36,37

Features	Psychosis of dementia	Schizophrenia
Prevalence	15–78% of patients	<1% of general population
Bizarre or complex delusions	Rare	Frequent
Misidentification	Frequent	Rare
Common form of hallucination	Visual	Auditory
Schneiderian First rank symptoms ABCD:Auditory hallucinations, Broadcasting of thought, Controlled thought (delusions of control), Delusional perception	Rare	Frequent
Past history of psychosis	Rare	Common
Eventual remission of psychosis	Frequent	Uncommon
Need for maintenance antipsychotic therapy	Uncommon	Common