This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Poor prognostic factor for Schizophrenia- \nSelect and explain. \nA. Presence of depression, B. Female sex, C. Presence of stressor, D. Early onset', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Early onset Poor prognostic factors :- Insidious onset, early onset (before 20 years of age); absence of precipitating stressor; poor premorbid adjustment; hebephrenic subtype (worst prognosis), simple, undifferentiated and chronic catatonic subtype; long duration (chronic course --> >2 years); single / divorced; Negative symptoms; absence of depression; family history of schizophrenia; past history of schizophrenia; asthenic (thin) physique; male sex; poor treatment compliance & poor response to treatment; poor social suppo; flat or blunted affect; ventricular enlargement on brain CT scan; hospitalization & indoor treatment", 'role': 'assistant'}]