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Prognosis
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Because of case-to-case variability, prognosis cannot be confidently predicted for an individual case, but studies of large patient groups revealed the following prognostic indicators.
Good prognosis associated with:
- Sudden onset
- Precipitants
- Family history of affective illness
- Good premorbid adjustment
Poor prognosis associated with:
- Early onset and/or insidious onset
- Lack of precipitants
- Lack of affective components
- Abnormal premorbid personality
- Family history
- Low IQ
- Negative symptoms
With treatment the average outcome rates are:
- 25% good recovery
- 50% chronic fluctuating course
- 15% continuous symptoms requiring long-term care
- 10% severe incapacity
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