Letters Angeles, California (Ziaeian); Department of Surgery, University of California, In Reply We read with great interest the letter by Polok et al re- 1 Los Angeles (Benharash). garding our article and appreciate their insightful comments, Corresponding Author: Peyman Benharash, MD, Department of Surgery, which highlight several challenges in the use of retrospective da- University of California, Los Angeles, 10833 Le Conte Ave, Room 62-249, Los tabases for quality monitoring. However, several key factors de- Angeles, CA 90095 (email@example.com). serve further consideration. Published Online: February 7, 2018. doi:10.1001/jamasurg.2017.6144 The initial question prompting our study was whether recent Conflict of Interest Disclosures: None reported. innovations in research and technology translated into actual im- 1. Juo Y-Y, Mantha A, Ebrahimi R, Ziaeian B, Benharash P. Incidence of provements in patient outcomes from 2005 to 2014. To objec- myocardial infarction after high-risk vascular operations in adults. JAMA Surg. tively answer this question, we used the largest longitudinally 2017;152(11):e173360. collected and validated surgical database in the United States, 2. Mansmann U, Rieger A, Strahwald B, Crispin A. Risk calculators: methods, development, implementation, and validation. Int J Colorectal Dis. 2016;31(6): the American College of Surgeons National Surgical Quality Im- 1111-1116. provement Program. However, as
JAMA Surgery – American Medical Association
Published: May 21, 2018
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