Duration of antipsychotic maintenance and relapse rates and predictors of poor prognosis in schizophrenia…

Duration of antipsychotic maintenance and relapse rate.
Relapse rate of 40% for maintenance treatment with medication within two years. 80% relapse rate for maintenance treatment without medication within two years.
Predictors of poor prognosis in schizophrenia.
1. slow onset.
2. Lengthy course of illness.
3. History of mental illness. He Yifa, Department of Psychiatry, Shanghai Mental Health Center
4. Emotional indifference.
5. Young age of onset.
6. pre-morbid personality abnormalities.
7. Social maladjustment.
8. Tendency to social isolation.
9. Poor work performance.