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A group of 25 hospitalised schizophrenics who had attempted suicide within the past year was compared with another group of 30 hospitalised schizophrenics who had not attempted suicide, using the PSE symptoms. The former had a significantly higher number of symptoms indicative of a depressive disorder. It is concluded that suicidal risk in schizophrenia is significantly raised when there are concomitant depressive symptoms.
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Anjali Prasad (1986) studied this question.
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