[Aggression in mentally handicapped psychiatric patients during inpatient psychiatric stay. Preliminary results of a 2-year follow-up study].

The preliminary results of a 2-year study of aggressive behaviour in psychiatric patients with an additional learning impairment or mental retardation in a specialized department of a psychiatric hospital are introduced. The study is concerned about the correlation between aggressive behaviour and different factors, as quality of life, number of patients in the ward, age, duration of stay, self-assessment and assessment by the CGI on admission.