America's hospitals continued to improve the quality of care they provide for myocardial infarction, congestive heart failure, pneumonia, and surgical care, according to the newest report from The Joint Commission. Compared to the prior report published in 2007, hospitals increased their provision of evidence-based treatments across all four disease processes. In particular, significant improvements were achieved in use of measures to prevent surgical site infections. While the prior report provided data on adherence to the National Patient Safety Goals, these measures were not discussed in the current report.