Letters Section Editor: Robert M. Golub, MD, Senior Editor.
To the Editor: Using an observational study approach, Dr Go and colleagues1 report that the use of statin therapy in patients with heart failure resulted in a 24% and a 21% reduction in the rates of death and hospitalization, respectively. These findings may be subject to immortal time bias.2,3
Suissa S. Statin Use and Risks for Death and Hospitalization in Chronic Heart Failure. JAMA. 2007;297(10):1057-1058. doi:10.1001/jama.297.10.1057-a