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Health information from primary care: final report december 1, 2001 - march 31, 2004.

Deckers, J.G.M., Schellevis, F.G. Health information from primary care: final report december 1, 2001 - march 31, 2004. Utrecht: NIVEL, 2004. 56 p.
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International comparison of health information from primary care

Many European countries collect data to obtain information on how often people visit their GPs and with which complaints. Can these data be compared, asked the European Commission. NIVEL has looked for an answer to this question. Especially international data on more severe physical diseases affecting adults (like cerebrovascular accident, diabetes mellitus or herpes zoster), turn out to be fairly comparable.

The European Commission wants to establish a European Union Public Health Information System. This is a pan-European database containing information on the health of the European population. The researchers conclude that for this database, or part of it, national primary care networks, such as "LINH" - the Netherlands Information Network of General Practice - or the "Continue MorbiditeitsRegistratie Peilstations" - the Continuous Morbidity Registration Sentinels of NIVEL, can be a suitable source.
Do differences between the countries point towards real differences in health status, or could they be caused by other factors, such as differences in collecting methods? This should be checked continuously. Three factors influence the comparability of the information obtained in primary care networks. Firstly, differences in information; the information available for age and gender of the patients and the frequency of disease.
Secondly, the definition of a certain disease. Although several international disease classification systems exist, differences do occur between countries. Thirdly, contextual differences between countries; differences in health care systems and cultural differences. The possibility to visit a specialist directly will influence the number of patients visiting a general practitioner. In some countries, people much easier visit their GPs than in other countries, even to obtain a sick note when their children are ill.
Representatives from primary care networks in Belgium, England & Wales, France, Germany, The Netherlands, Portugal and Spain took part in the study.
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