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43 lines
1.8 KiB
43 lines
1.8 KiB
8 years ago
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% Generated by roxygen2: do not edit by hand
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% Please edit documentation in R/mortalty.r
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\name{get_mortality_surveillance_data}
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\alias{get_mortality_surveillance_data}
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\title{Mortality Surveillance Data from the National Center for Health Statistics}
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\usage{
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get_mortality_surveillance_data()
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}
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\value{
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a list of \code{tbl_df}s
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}
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\description{
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The National Center for Health Statistics (NCHS) collects and disseminates the Nation's
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official vital statistics. These statistics are based on data provided to NCHS through
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contracts with the vital registration systems operated in the various jurisdictions
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legally responsible for the registration of deaths (i.e., death certificates) and other
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vital events. These data have previously only been released as annual final data files
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12 months or more after the end of the data year. Recent NCHS efforts to improve the
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timeliness of jurisdiction reporting and modernize the national vital statistics
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infrastructure have created a system capable of supporting near real-time surveillance.
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Capitalizing on these new capabilities, NCHS and CDC’s Influenza Division have
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partnered to pilot the use of NCHS mortality surveillance data for Pneumonia and
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Influenza (P&I) mortality surveillance.
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}
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\details{
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NCHS mortality surveillance data are presented by the week the death occurred.
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Nationally P&I percentages are released two weeks after the week of death to allow for
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collection of enough data to produce a stable P&I percentage at the national level.
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Collection of complete data is not expected, and reliable P&I ratios are not expected
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at the region and state level within this two week period. State and Region level
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counts will be released only after 20% of the expected number of deaths are reported
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through the system.
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}
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\examples{
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\dontrun{
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get_mortality_surveillance_data()
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}
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}
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\references{
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\url{http://www.cdc.gov/flu/weekly/nchs.htm}
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}
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