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Sensitivity of the Dengue Surveillance System in Brazil for Detecting Hospitalized Cases.


ABSTRACT: We evaluated the sensitivity of the dengue surveillance system in detecting hospitalized cases in ten capital cities in Brazil from 2008 to 2013 using a probabilistic record linkage of two independent information systems hospitalization (SIH-SUS) adopted as the gold standard and surveillance (SINAN). Sensitivity was defined as the proportion of cases reported to the surveillance system amid the suspected hospitalized cases registered in SIH-SUS. Of the 48,174 hospitalizations registered in SIH-SUS, 24,469 (50.7%) were reported and registered in SINAN, indicating an overall sensitivity of 50.8% (95%CI 50.3-51.2). The observed sensitivity for each of the municipalities included in the study ranged from 22.0% to 99.1%. The combination of the two data sources identified 71,161 hospitalizations, an increase of 97.0% over SINAN itself. Our results allowed establishing the proportion of underreported dengue hospitalizations in the public health system in Brazil, highlighting the use of probabilistic record linkage as a valuable tool for evaluating surveillance systems.

SUBMITTER: Coelho GE 

PROVIDER: S-EPMC4871568 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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Sensitivity of the Dengue Surveillance System in Brazil for Detecting Hospitalized Cases.

Coelho Giovanini Evelim GE   Leal Priscila Leite PL   Cerroni Matheus de Paula Mde P   Simplicio Ana Cristina Rocha AC   Siqueira João Bosco JB  

PLoS neglected tropical diseases 20160518 5


We evaluated the sensitivity of the dengue surveillance system in detecting hospitalized cases in ten capital cities in Brazil from 2008 to 2013 using a probabilistic record linkage of two independent information systems hospitalization (SIH-SUS) adopted as the gold standard and surveillance (SINAN). Sensitivity was defined as the proportion of cases reported to the surveillance system amid the suspected hospitalized cases registered in SIH-SUS. Of the 48,174 hospitalizations registered in SIH-S  ...[more]

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