Comparison and Harmonisation of Denominator Data for Primary Health Care Research in Countries of the European Community: The European Denominator Project
IOS Press, 1999 - Medical - 129 pages
Used extensively in North America and Europe, seminal practice networks, also referred to as practice research networks, recruit office-based physicians to monitor defined events among their patients, such as influenza, mumps and asthma attacks, at regional, county and even national levels. After adequate analysis, these data indicate spatial and temporal trends in event frequencies: comparibility of national results is, however, limited, partly due to the different national health systems influencing the demand of medical care. More importantly, the lack of comparable data on the population from which the cases arise - denominator data - obstructs the comparison of data from primary care research between different regions or countries.
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age and sex age group asthma Belgium bias Braunschweig Casteren compared comparison confidence interval consulting at least contact numbers contact rates countries denominator problem diagnosis disease distribution doctors Dutch England and Wales epidemic epidemiological epidemiology episodes explained variance factors Figure France Hannover health care system health care utilisation health insurance health services herpes zoster HIV tests hospital illness incidence rates influenza least once Lower Saxony measles method morbidity MSGP mumps negative binomial distribution Netherlands non-attendees number of consultations number of contacts number of GPs number of HIV number of patients number of persons paediatricians participating patients consulting physicians population at risk population denominator practice population practitioners primary records region reported sample Sentinel Data sentinel GPs sentinel network sentinel practice networks sentinel system SGPs social specific surveillance tion total number validity variables week yearly contact group zero class