Qualidade dos sistemas de informação SINAN e SIH-SUS e a proporção de casos graves de dengue no município de Goiânia-GO, 2005-2008: estimativa pelo método de captura-recaptura
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2009-08-14
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Universidade Federal de Goiás
Resumo
The epidemiology of dengue fever in Brazil is recently characterized by an increase in
hospitalizations, severe and unusual presentations of the disease and a shift towards
children. This scenario demands improvements to the surveillance and to the health
systems to timely detect and adequate management of these cases. The objectives of this
study are to characterize the hospitalized cases of dengue fever and dengue hemorrhagic
fever and to identify potential underreporting of these cases in the city of Goiânia, Central
Brazil, between 2005 and 2008, based on two official information systems: SINAN and
SIH/SUS. We conducted a capture-recapture study to estimate the number of hospitalized
cases using a linkage between SINAN and SIH/SUS, after excluding duplicate records in
each system. A 49.6% increase in hospitalized cases was estimated after the inclusion of
SIH/SUS records that were not reported in SINAN. An underreporting of 70.4% of the
information regarding hospitalization in SINAN was also detected, once these cases were
reported but with no reference to hospitalization. Sensibility of the surveillance system to
detect hospitalized cases was considered poor for the study period. The combined use of
SINAN and SIH/SUS in the surveillance routine greatly contributes to increase the
sensibility of the system and to the timely detection of cases and outbreak response.
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SILVA, J. B. Qualidade dos sistemas de informação SINAN e SIH-SUS e a proporção de casos graves de dengue no município de Goiânia-GO, 2005-2008: estimativa pelo método de captura-recaptura. 2009. 95 f. Dissertação (Mestrado em Medicina Tropical e Saúde Publica) - Universidade Federal de Goiás, Goiânia, 2009.