This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
The Good prognostic factors of schizophrenia include all except 
Select and explain. 
A. Age 12 yrs, B. Catatonic type, C. Female, D. More positive symptoms
A: Age 12 yrs
Answer: A: Age 12 yrs 
Explanation: Age below 18years, male, insidious onset, simple and hebephrenic are usually bad prognostic factors for schizophrenia Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg: 370