Abstract:
:We compared gastroenteritis cases that consulted a general practitioner (GP) with those who did not in a community-based study and also with those in a GP-based study. We aimed to identify factors associated with consultation, and with inclusion of cases by GPs, and secondly to study the effects on the frequency of detection of pathogens. Furthermore, we estimated the under-ascertainment by GPs. Both studies were performed in The Netherlands in the same population in an overlapping time-period. Overall, 5% of community cases consulted a GP. Cases who consulted suffered from more severe episodes than non-consulting cases. Inclusion of cases by GPs, instead of a study team, caused a selection of more severe cases with more chronic symptoms. When extrapolating data from GP-based studies, it should be taken into account that, in general practice, gastroenteritis due to bacteria and Giardia lamblia is a relatively large proportion of that in the community and gastroenteritis due to Norwalk-like viruses is a relatively small proportion. The incidence of gastroenteritis in general practices was estimated between 14 and 35 per 1000 person years.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
de Wit MA,Kortbeek LM,Koopmans MP,de Jager CJ,Wannet WJ,Bartelds AI,van Duynhoven YTdoi
10.1017/s0950268801006082subject
Has Abstractpub_date
2001-12-01 00:00:00pages
389-97issue
3eissn
0950-2688issn
1469-4409journal_volume
127pub_type
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