Nationwide data are unavailable regarding changes in intensive care unit (ICU) outcomes over the past 10 years, limiting understanding of practice changes. Authors Emily Moin, MD, MBE, and Scott D. Halpern, MD, PhD, MBE, of the University of Pennsylvania join JAMA Associate Editor Christopher W. Seymour, MD, MSc, to discuss how ICU care and outcomes have changed in the US over the past decade. Related Content:

• Use of Life Support and Outcomes Among Patients Admitted to Intensive Care Units