Silver Book Fact
Of those admitted to the hospital for cardiovascular disease–3.3% died in the hospital. This is significantly higher than the average in-hospital death rate of 2.1% for all hospitalized patients.
Russo C, Ho K, Elixhauser A. Hospital Stays for Circulatory Diseases, 2004. H-Cup Statistical Brief. 2007; 26. http://www.hcup-us.ahrq.gov/reports/statbriefs/sb26.pdf