Observational
Yes
This study aims to provide nationally representative estimates of in-hospital mortality trends for pulmonary embolism in the US from 2001 to 2008.
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Provides nationally representative PE mortality estimates 2001-2008; leaves open impact of subsequent therapies on current outcomes.
Tsai et al. (2012) conducted an observational in Pulmonary Embolism. Pulmonary embolism was evaluated on In-hospital deaths (annual number and case-fatality rate).
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