UCLA DomStat

Sitaram Vangala

Principal Statistician Supervisor, Division of General Internal Medicine and Health Services Research


MS Statistics, George Washington University, 2011
BS Applied Mathematics, Columbia University, 2009


E-mail: svangala@mednet.ucla.edu
Phone: (310) 794-3507


Sitaram (Ram) Vangala is a Principal Statistician and Associate Director of DOMStat. His research interests include biomedical and social scientific applications of Bayesian methods, causal inference in observational studies, and statistical learning with high-dimensional data. He has extensive experience collaborating with health services, quality improvement and social science researchers on study design, data management and statistical analysis. He has assisted numerous UCLA investigators with grant preparation, protocol development, manuscript writing and responses to statistical review, and he regularly participates in seminars for junior investigators on drafting grant applications and best practices for clinical data management. His work for DOMStat additionally includes mentoring junior statisticians, trainees and research assistants.


Google Scholar Profile
PubMed MyBibliography

Selected Manuscripts

Reiff JS, Zhang JC, Gallus J, Dai H, Pedley NM, Vangala S, Leuchter RK, Goshgarian G, Fox CR, Han M, Croymans DM. When peer comparison information harms physician well-being. Proc Natl Acad Sci USA. 2022.

Mafi JN, Craff M, Vangala S, Pu T, Skinner D, Tabatabai-Yazdi C, Nelson A, Reid R, Agniel D, Tseng CH, Sarkisian C, Damberg CL, Kahn KL. Trends in US ambulatory care patterns during the COVID-19 pandemic, 2019-2021. JAMA. 2022.

Szilagyi PG, Thomas K, Shah MD, Vizueta N, Cui Y, Vangala S, Kapteyn A. Changes in COVID-19 vaccine intent from April/May to June/July 2021. JAMA. 2021.

Dai H, Saccardo S, Han MA, Roh L, Raja N, Vangala S, Modi H, Pandya S, Sloyan M, Croymans DM. Behavioral nudges increase COVID-19 vaccinations. Nature. 2021.

Lerner C, Albertin C, Casillas A, Duru OK, Ong MK, Vangala S, Humiston S, Evans S, Sloyan M, Fox CR, Bogard JE, Friedman S, Szilagyi PG. Patient portal reminders for pediatric influenza vaccinations: a randomized clinical trial. Pediatrics. 2021.

Szilagyi PG, Thomas K, Shah MD, Vizueta N, Cui Y, Vangala S, Kapteyn A. National trends in the US public's likelihood of getting a COVID-19 vaccine-April 1 to December 8, 2020. JAMA. 2020.

Mafi JN, Godoy-Travieso P, Wei E, Anders M, Amaya R, Carrillo CA, Berry JL, Sarff L, Daskivich L, Vangala S, Ladapo J, Keeler E, Damberg CL, Sarkisian C. Evaluation of an intervention to reduce low-value preoperative care for patients undergoing cataract surgery at a safety-net health system. JAMA Intern Med. 2019.

Shen JI, Hercz D, Barba LM, Wilhalme H, Lum EL, Huang E, Reddy U, Salas L, Vangala S, Norris KC. Association of citizenship status with kidney transplantation in Medicaid patients. Am J Kidney Dis. 2018.

Tung R, Vaseghi M, Frankel DS, Vergara P, Di Biase L, Nagashima K, Yu R, Vangala S, Tseng CH, Choi EK, Khurshid S, Patel M, Mathuria N, Nakahara S, Tzou WS, Sauer WH, Vakil K, Tedrow U, Burkhardt JD, Tholakanahalli VN, Saliaris A, Dickfield T, Weiss JP, Bunch TJ, Reddy M, Kanmanthareddy A, Callans DJ, Lakkireddy D, Natale A, Marchlinksi F, Stevenson WG, Della Bella P, Shivkumar K. Freedom from recurrent ventricular tachycardia after catheter ablation is associated with improved survival in patients with structural heart disease: an International VT Ablation Center Collaborative Group study. Heart Rhythm. 2015.

Ringman JM, Liang LJ, Zhou Y, Vangala S, Teng E, Kremen S, Wharton D, Goate A, Marcus DS, Farlow M, Ghetti B, McDade E, Masters CL, Mayeux RP, Rossor M, Salloway S, Schofield PR, Cummings JL, Buckles V, Bateman R, Morris JC, Dominantly Inherited Alzheimer Network. Early behavioral changes in familial Alzheimer's disease in the Dominantly Inherited Alzheimer Network. Brain. 2015.