• Hendrik van den Bussche, Detlef Niemann, Hanna Kaduszkiewicz, Ingmar Schäfer, Daniela Koller, Heike Hansen, Martin Scherer, Gerd Glaeske, and Gerhard Schön.
• Institut für Allgemeinmedizin, Universitätsklinikum Hamburg-Eppendorf. Electronic address: bussche@uke.de.
• Z Evid Fortbild Qual Gesundhwes. 2013 Jan 1;107(7):442-50.

BackgroundFrequent attenders utilise a high proportion of medical services and therefore produce relatively high costs. Questions of utility and adequacy and, also, about the reasons for high use arise. The authors report the results of a study on the association between morbidity of the elderly and various forms of frequent attendance in ambulatory medical care in Germany.MethodsThe study is based on claims data of all policyholders aged 65 and over of a statutory health insurance company operating nationwide in Germany in 2004 (n = 123,224). Utilisation was analysed by the number of contacts with practices of physicians working in the ambulatory medical care sector and by the number of different practices contacted. Criteria for frequent attendance were ≥ 50 contacts with practices or contacts with ≥ 10 individual practices or ≥ 3 practices of the same discipline per year. We analysed prevalences and relative risks for frequent attendance for 46 chronic diseases.ResultsFrequent attendance in ambulatory medical care among the elderly is related to both severe somatic and psychic diagnoses. Five chronic diseases showed the highest relative risks for all types of frequent attendance in general: urinary incontinence, anaemia, neuropathies, renal insufficiency, and cancer. Psychic syndromes mainly led to the utilisation of many different physicians.ConclusionFrequent attendance in ambulatory medical care among the elderly is related to a large number of diseases, both somatic and psychic. Frequent attendance is a complex phenomenon which cannot be addressed by mono-dimensional approaches.Copyright © 2013. Published by Elsevier GmbH.

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