Chest
Clinical Investigations in Critical CareRisk Factors for ARDS in the United States: Analysis of the 1993 National Mortality Followback Study
Section snippets
Materials and Methods
The 1993 National Mortality Followback Study (NMFS) is a multicomponent survey conducted by the National Center for Health Statistics designed to supplement information from death certificates in the vital statistics file with information on important characteristics of the decedent. The survey included individuals aged≥≥ 15 years who died in 1993 in the United States. A total of 22,957 death certificates or approximately 1% of the total cohort was sampled. In order to produce more robust
Results
Data were available for 19,003 decedents in the 1993 NMFS, which was weighted to reflect the 2.2 million annual deaths. The overall weighted study population included 49% female and 51% male decedents. Nearly 86% of the decedents were white, and 14.1% were nonwhite. Over 1.6 million (74.4%) of the decedents were > 64 years old at the time of their death. In the entire study cohort, 4.1% (n = 91,370) had a diagnosis of sepsis, 1.2% (n = 26,470) had a diagnoses of a surgical or medical
Discussion
In this study, we examined the impact of several comorbid conditions and demographic variables on ARDS mortality using a large national database. The 1993 NMFS is unique in that information is obtained from both death certificate records as well as from extensive survivor interviews. Our results indicate that individuals who died with ARDS were more likely to have a diagnosis of sepsis, medical or surgical misadventure, or cirrhosis. In addition, the adjusted PMR was significantly higher for
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Funding was provided by grant R01-AA11660––01A2 from the National Institutes of Health.