In the Original Investigation titled “Observational Modeling of Strict vs Conventional Blood Pressure Control in Patients With Chronic Kidney Disease” published online August 4, 2014, in JAMA Internal Medicine (2014;174[9]:1442-1449. doi:10.1001/jamainternmed.2014.3279), there was an error in the byline. The correct spelling is “Kamyar Kalantar-Zadeh, MD, MPH, PhD.” The error also occurred in the Author Affiliations and the Author Contributions. This article was corrected online.