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Epidemiologia e Serviços de Saúde
Print version ISSN 1679-4974On-line version ISSN 2237-9622
Abstract
RODRIGUES, Patricia Lima; GAMA, Silvana Granado Nogueira da and MATTOS, Inês Echenique. Completeness and reliability of the National Mortality Information System for perinatal deaths in Brazil, 2011-2012: a descriptive study. Epidemiol. Serv. Saúde [online]. 2019, vol.28, n.1, e2018093. Epub Mar 21, 2019. ISSN 1679-4974. http://dx.doi.org/10.5123/s1679-49742019000100007.
Objective:
to analyze the completeness and reliability of data on perinatal deaths held on Brazil’s Mortality Information System (SIM) in 2011-2012.
Methods:
this was a study evaluating the quality of completeness of data on perinatal deaths reported on SIM compared to data from the ‘Birth in Brazil’ survey for the same period; to evaluate reliability, we used the Kappa coefficient, the intraclass correlation coefficient (ICC) and the Bland-Altman plot method.
Results:
completeness was greater than 80%, and agreement was 0.61 for 10 of the 12 evaluated fields; aggregated gestation length (Kappa coefficient=0.542) and continuous gestation length (ICC=0.448) for early neonatal deaths and fetal deaths, respectively, had regular agreement; graphical evaluation of gestation length showed that the fetal death metric was underestimated and that early neonatal deaths were overestimated by between 25 and 35 weeks of gestation.
Conclusion:
the information analyzed available on SIM for perinatal deaths is complete and reliable for the period analyzed.
Keywords : Date Accuracy; Vital Statistics; Perinatal Mortality; Information Systems; Death Certificates.
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