Su-Hsin Chang, PhD

Su-Hsin ChangInstructor
Division of Public Health Sciences
Department of Surgery
(314) 362-8623

Research Overview
Dr. Chang is a health economist and an applied econometrician. Dr. Chang’s research focuses on topics related to obesity. Her research uses economic and econometric/statistical modeling to evaluate program and treatment effects. Dr. Chang’s research areas include treatment effect and policy evaluation, cost-effectiveness analysis, meta-analysis, and comparative effectiveness.

Dr. Chang co-teaches a course in the Master of Population Health Sciences program with Drs. Graham Colditz and ManYee Mallory Leung, entitled “Decision Analysis for Clinical Investigation and Economic Evaluation."

Chang SH
, Pollack LM, Colditz GA. Obesity, mortality, and life years lost associated with breast cancer for U.S. nonsmoking females. Preventing Chronic Disease. In press.

Chang SH, Stoll CR, Song J, Varela JE, Eagon CJ, Colditz GA. Bariatric surgery: an updated systematic review and meta-analysis, 2003-2012. JAMA surgery. In press. Click here for supplemental material, including review protocol and additional articles.

Chang SH, Pollack LM, Colditz GA. Life years lost associated with obesity-related diseases for U.S. nonsmoking adults. PLoS ONE 8(6): e66550. doi:10.1371/journal.pone.0066550.

Strope S, Chang SH, Chen L, Sandhu G, Piccirillo JF, Schootman M. Efficiency of surveillance for bladder cancer survivors. Journal of Urology. 2013 May 29.

Carson KR, Bartlett NL, McDonald JR, Luo S, Zeringue A, Liu J, Fu Q, Chang SH, Colditz GA. Increased body mass index is associated with improved survival in United States veterans with diffuse large B-cell lymphoma. Journal of Clinical Oncology. 2012 Sep; 30(26):3217-22.

Chang SH, Beason TS, Hunleth JM, Colditz GA. A systematic review of body fat distribution and mortality in older people. Maturitas. 2012 Jul;72(3):175-91.

Chang SH, Stoll CR, Colditz GA. Cost-effectiveness of bariatric surgery: should it be universally available? Maturitas. 2011 Jul;69(3):230-8.

Dr. Chang on PubMed

Active Projects:
National Institutes of Health
KM1 CA156708 (Fraser: PI)
06/01/12 – 08/31/13
Washington University CER Mentored Career Development Award Program
Comparative Effectiveness of Bariatric Surgery: A Meta-Analysis
The goal of the proposed research is to closely examine the comparative effectiveness of different types of bariatric surgery by evaluating: (1) the risks – peri- and post-operative mortality, complications, and reoperations; and (2) the lifetime benefits – weight loss and remission of obesity-related diseases.
Role: Scholar

National Institutes of Health
UL1 TR000448
01/01/13 – 12/30/13
Washington University Institute of Clinical and Translational Sciences Just-In-Time Core Usage Program
An examination of breast cancer screening through treatment (Goodman: PI)
The goal of this project is to use medical claims data to examine breast cancer screening, treatment, and cancer outcomes.
Role: Co-investigator

National Institutes of Health
U54 CA 155496 (Colditz: PI)
05/01/13 – 6/30/14
Washington University in St. Louis Transdisciplinary Research on Energetics and Cancer Center
Influence of Obesity and Metformin Use on the Transformation of Monoclonal Gammopathy of Undetermined Significance into Multiple Myeloma
The objective of this project is to examine the relationships between obesity, metformin use, and progression from monoclonal gammopathy of undetermined significance to multiple myeloma in a large cohort of the U.S. veterans. Econometric methods that account for potential bias arising from observational data will be used to explore the relationships.
Role: Principal Investigator

Agency for Healthcare Research and Quality
K01 HS022330 (Chang: PI)
09/30/13 – 9/29/17
Obesity, comorbidities, and economic evaluations of surgical treatments of obesity
The objective of this project is to systematically investigate the interplay of obesity, comorbidities, and all-cause mortality focusing on how surgical treatments can alter this relationship. The project evaluates different types of bariatric surgery from a population perspective with the goals of identifying the optimal type of surgery for each subgroup of the obese population and assessing the current NIH guidelines on the eligibility of bariatric surgery.
Role: Principal Investigator