Author Affiliations: Departments of Anesthesiology and Critical Care (Dr Pronovost) and Pediatrics (Dr Miller), Johns Hopkins University, Baltimore, Md; and Department of Medicine, University of California, San Francisco (Dr Wachter).
The fifth anniversary of the Institute of Medicine's report on medical errors prompted widespread reflection on the progress with patient safety.1 Much of this reflection focused on a single question: Are patients safer now? Data from neither the entire US health care system nor individual hospitals can yield a credible answer.2- 4
Pronovost PJ, Miller MR, Wachter RM. Tracking Progress in Patient SafetyAn Elusive Target. JAMA. 2006;296(6):696-699. doi:10.1001/jama.296.6.696