Author Interviews, Cost of Health Care, UCLA / 27.03.2019 Interview with: John N. Mafi, MD, MPH Division of General Internal Medicine and Health Services Research Department of Medicine David Geffen School of Medicine at UCLA RAND Health, RAND Corporation What is the background for this study? What types of services are low-value in this setting?  Response: For decades we have known that offering routine preoperative testing for patients undergoing cataract surgery provides limited value, yet low-value preoperative testing persists at very high rates, even at Los Angeles County Department of Health Services, one of the largest safety net health systems in the United States. (more…)