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On the background of some years of experience with ICD-10 psychiatric diagnoses in many countries of the world, an international comparison was performed to evaluate the frequency and use of the ICD-10 psychiatric diagnoses. For future revision of the ICD-10, it is important to know which diagnostic categories are either not used or are used possibly in an unspecific manner. Nineteen departments of psychiatry in 10 different countries took part in the study, presenting data on 33,857 treatment cases leading to a total of 25,470 ICD-10 main diagnoses. The analysis of data reveals that on a four-character level (Fxx.x), the 10 most often used diagnostic categories represent 40% of all main diagnoses, and 70% on a three-character level (Fxx.–). There are 32 specific diagnostic categories on a four-character level which are not used at all and 121 which are used less frequently than 0.1% in inpatient and outpatient treatment. The study shows that the ICD-10 classification is in use in a variety of treatment settings worldwide. Further results and limitations of this study are discussed against the background of transcultural differences.

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From the patient's as well as from the therapist's point of view goals of therapy undoubtedly play an important role in all fields of psychological medicine (psychiatry, psychotherapy, psychosomatic medicine). On the other hand, there is a substantial lack of systematic i.e. empirical studies on this issue. Giving an overview on the available scientific literature we start by characterising therapeutic goals as a secondary psychological construction. Therapeutic goals and their multiple associations and different aspects of psychotherapy are discussed. However, a variety of definitions of therapeutic goals, often influenced by the therapeutic orientation of the authors, make it difficult to integrate concepts and to compare findings. Hence, we focus on those results which were found in relation to general concepts, i.e. beyond specific theoretical approaches. Furthermore, we discuss the pros and cons of individual measures of therapeutic goals compared with standardised self-rating instruments. Finally, we underline the lack of studies on therapeutic goals in the psychiatric sphere and report on some results of our own pilot study on the Personal Goals Questionnaire in psychiatric inpatients.

A dataset of psychiatric ICD-10 diagnoses from the Danish case register concerning psychiatric hospitals was compared with a sample of psychiatric diagnoses from 27 psychiatric hospitals in Germany. The comparison shows a higher proportion of F1 diagnoses in the German dataset and a difference in the coding of alcohol dependence and harmful use. Some further differences in the groups F0–F6 are demonstrated and some of them are discussed. The most frequent diagnoses found in both datasets but in different sequence are alcohol dependence syndrome and paranoid schizophrenia and, in third place, adjustment disorder. Various aspects of the problem of rarely used diagnoses are discussed.