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': 'All of the following are associated with better prognosis in schizophrenia except - \nSelect and explain. \nA. Late onset, B. Married, C. Negative symptoms, D. Acute onset', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Good prognostic factors:\nAcute onset; late onset (onset after 35 years of age); Presence of precipitating stressor; Good premorbid adjustment; catatonic (best prognosis) & Paranoid (2nd best); short duration (< 6 months); Married; Positive symptoms; Presence of depression; family history of mood disorder; first episode; pyknic (fat) physique; female sex; good treatment compliance & good response to treatment; good social support; presence of confusion or perplexity; normal brain CT Scan; outpatient treatment.', 'role': 'assistant'}]