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PLoS By Category | Recent PLoS Articles
Critical Care and Emergency Medicine - Hematology - Public Health and Epidemiology

Correlates of In-Hospital Deaths among Hospitalizations with Pulmonary Embolism: Findings from the 2001-2008 National Hospital Discharge Survey
Published: Friday, July 06, 2012
Author: James Tsai et al.

by James Tsai, Scott D. Grosse, Althea M. Grant, Nimia L. Reyes, W. Craig Hooper, Hani K. Atrash

Background

Deep vein thrombosis and pulmonary embolism (PE) are responsible for substantial mortality, morbidity, and impaired health-related quality of life. The aim of this study was to evaluate the correlates of in-hospital deaths among hospitalizations with a diagnosis of PE in the United States.

Methods

By using data from the 2001-2008 National Hospital Discharge Survey, we assessed the correlates of in-hospital deaths among 14,721 hospitalizations with a diagnosis of PE and among subgroups stratified by age, sex, race, days of hospital stay, type of admission, cancer, pneumonia, and fractures. We produced adjusted rate ratios (aRR) and 95% confidence intervals using log-linear multivariate regression models.

Results

Regardless of the listing position of diagnostic codes, we observed an increased likelihood of in-hospital death in subgroups of hospitalizations with ages 50 years and older (aRR?=?1.82-8.48), less than 7 days of hospital stay (aRR?=?1.43-1.57), cancer (aRR?=?2.10-2.28), pneumonia (aRR?=?1.79-2.20), or fractures (aRR?=?2.18) (except for first-listed PE), when compared to the reference groups with ages 1-49 years, 7 days or more of hospital stay, without cancer, pneumonia, or fractures while adjusting for covariates. In addition, we observed an increased likelihood of in-hospital death for first-listed PE in hospitalizations of women, when compared to those of men (aRR?=?1.45).

Conclusions

The results of this study provide support for identifying, developing, and implementing effective, evidence-based clinical assessment and management strategies to reduce PE-related morbidity and mortality among hospitalized PE patients who may have concurrent health conditions including cancer, pneumonia, and fractures.

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