Reliability of a rating scale to measure severity of adverse healthcare events

Milena Anatchkova, PhD1, Polina Harik, PhD2, Kathleen M. Mazor, EdD3, Joann Wagner, MSW3, Deborah Perfetto, PharmD4, Colleen Biggins, BA3, Cassandra L. Firneno, BA3, Kathleen Walsh, MD, MSc3, Robert Klugman, MD3 and Jennifer Tjia, MD, MSCE3
(1)University of Massachusetts Medical School, Worcester, MA, (2)National Board of Medical Examiners, Philadelphia, PA, (3)Meyers Primary Care Institute, University of Massachusetts Medical School, Worcester, MA, (4)Agency for Healthcare Research and Quality, Rockville, MD