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Assessing trends in mortality in 121 U.S. cities, 1970-79, from all causes and from pneumonia and influenza.
  • Published Date:
    1988 Mar-Apr
  • Source:
    Public Health Rep. 103(2):120-128
  • Language:
    English
Filetype[PDF-2.75 MB]


Details:
  • Pubmed ID:
    2833763
  • Pubmed Central ID:
    PMCnull
  • Description:
    The Centers for Disease Control receives weekly reports of mortality due to all causes and to pneumonia and influenza from 121 cities and counties in the United States. To assess the epidemiologic applicability of these data, the trends of death rates based on data compiled by the Centers for Disease Control's mortality reporting system (CDC-MRS) from 1970 through 1979 were compared with trends derived from national mortality statistics compiled by the National Center for Health Statistics (NCHS). In general, CDC-MRS trends in death rates from all causes and from pneumonia and influenza followed patterns similar to those shown by mortality statistics for the entire nation. CDC-MRS data were particularly sensitive to annual fluctuations in the nationwide rate of death from pneumonia and influenza among the elderly population. However, because of higher death rates among residents of the CDC-MRS reporting areas, in addition to other ascertainment biases, CDC-MRS death rates--from all causes and from pneumonia and influenza--consistently exceeded NCHS rates for the nation. Moreover, for each age group, trends based on CDC-MRS reflected an underestimate of the rate of decline in mortality observed over time according to NCHS data. It is concluded that despite its limitations, the CDC-MRS provides mortality data that are both timely and useful for epidemiologic purposes.

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