National Death Index


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National Death Index

Epidemiology A central mortality database compiled from data submitted by state vital statistics offices to the Natl Center for Health Statistics. See Mortality rate.
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National Death Index. https://www.cdc.gov/nchs/ndi/index.htm.
The National Death Index is also available for researchers but may be cost-prohibitive for studies of large numbers of cases, such as the millions of veterans who have died in the past 10 years.
Baseline information was collected in 1982, and 525 deaths, secondary to ALS, were tabulated from 1989 through 1998 via the National Death Index. After the data was adjusted for the variables of age and smoking status, short-term regular use of vitamin E (< 10 years) was associated with a 41% decreased risk of death from ALS.
New cases of ovarian cancer were ascertained from medical records, self-reports, state registry data and the National Death Index (with confirmation by review of death certificates).
Five-year mortality data, derived from the National Death Index,[20] were obtained from the public-use file released by the Agency for Health Care Policy and Research.[21] The National Death Index is a computer file of all deaths in the United States since 1979 and is maintained by the National Center for Health Statistics.[20] The National Death Index has been found to be an accurate means of ascertaining deaths by means of personal identifiers.[22-25] Complete data on all study variables were available on 13,270 (95.9% of those eligible) respondents.
Mortality outcomes were obtained for each participant through linkage to the National Death Index through December 31, 2011, using a probabilistic match.
"Utility of the National Death Index for Ascertainment of Mortality among Cancer Prevention Study II Participants." American Journal of Epidemiology 137: 235-41.
Mortality data were available by linking the National Diabetes Service Scheme to National Death Index for diabetes and from standard national mortality datasets for the general population.
The relationship between vegetarian dietary patterns and all-cause and cause-specific mortality were evaluated; deaths through 2009 were identified from the National Death Index.
The authors linked the data to the National Death Index in an attempt to determine which factors might be harbingers of early mortality in patients with NAFLD vs.

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