[Comorbid somatic illnesses in psychiatric inpatients - an analysis of administrative data].

Purpose: This study intended to analyze the prevalence of physical diagnoses at psychiatric inpatient hospital wards.

Methods: For this purpose we used partially aggregated administrative data from routine diagnostic documentation of Austrian hospitals. All psychiatric and physical main and secondary diagnoses according to ICD-10 of all psychiatric inpatient units in Austria of the years 2007 were used.

Results: Of 79,027 psychiatric hospital admissions 75,224 received a psychiatric and 3803 a somatic main diagnosis at discharge. Diseases of the vascular system (20 %) were the most frequent somatic diagnoses, followed by endocrine and metabolic diseases (16.4 %) and neurological diseases (14.4 %). Among patients suffering from schizophrenia, the most frequent physical diagnoses were endocrine and metabolic diseases. Among those with affective disorders, vascular diseases as well as endocrine and metabolic diseases were found most often.

Conclusions: Physical diagnoses are very common among psychiatric inpatients. Mass screening and specialized prevention programs should be evaluated regarding their effectiveness for this population.