DEP - Dissertações de mestrado
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- Automated Daily Mortality Surveillance Systems: Integration of data collection, analysis and reporting system componentsPublication . Chaves, Tiago; Silva, Mário; Nunes, Baltazar[ENG] The daily mortality surveillance system (VDM) monitors the observed all-cause mortality in Portugal. VDM is developed by the National Health Institute Dr. Ricardo Jorge (INSA). The system monitors the effects that disease outbreaks, extreme weather conditions or other health-related events have on the Portuguese mortality, by detecting and estimating the excess deaths associated with such events. The workflow of the system includes data collection, analysis and report generation activities. The resulting statistics and reports are disseminated to multiple authorities, at the national and European level. This dissertation presents the development of a new version of VDM, with new added features that substantially optimize it and enable more effective data analysis. Additions include the calculation of the expected mortality baselines for each data stratification, both on daily and weekly aggregations, the implementation of a nowcasting approach to predict upcoming death notifications and an automatic alert system for excess deaths. In the remodeled VDM system, public health practitioners now have a more user-friendly interface for generation and visualization of data for each stratification against the respective baseline, within a user defined time period. Report generation is now performed automatically, producing documents ready to be sent to the authorities requesting the mortality reports. The new version of the VDM software was user-validated and is now in production at INSA.