Xu is an Assistant Professor at the Department of Biostatistics. She received her PhD in Biostatistics from University of Washington, Seattle in 2017. Prior to joining the faculty, she was a postdoctoral fellow at the Harvard Data Science Initiative at Harvard University. Her research focuses on developing statistical methods for administrative healthcare data such as electronic health records data and claims data.
- PhD, Biostatistics, University of Washington, Seattle, WA, 2017
- B.S., Mathematics, Zhejiang University, Hangzhou, China, 2012
Research Interests & Projects
Electronic health records, causal inference, data corruption, record linkage, machine translation, semiparametric efficiency theory, postmarketing safety surveillance, healthcare policy.
- Beam, AL, Kompa, B, Fried, I, Palmer, N, Shi, X, Cai, T, and Kohane, I. (2020). Medical concept embeddings estimated from massive sources of biomedical data. Pacific Symposium on Biocomputing (PSB), in press.
- Shi, X, Wellman R, Heagerty, PJ, Nelson JC, and Cook, AJ. (2019). Safety surveillance and the estimation of risk in select populations: flexible methods to control for confounding while targeting marginal comparisons via standardization. Statistics in Medicine, accepted.
- Fulcher, IR, Shi, X, and Tchetgen Tchetgen, EJ. (2019). Estimation of natural indirect effects robust to unmeasured confounding and mediator measurement error. Epidemiology, in press.
- Tchetgen Tchetgen, EJ, Shi, X, Wong, HW, and Sofer, T. (2019). A general approach to detect gene (G)-environment (E) additive interaction leveraging G-E independence in case-control studies. Statistics in Medicine, in press.
- Shi, X, Pashova, H, and Heagerty, PJ. (2017). Comparing healthcare utilization patterns via global differences in the endorsement of current procedural terminology codes. Annals of Applied Statistics, 11(3):1349-1374.
- Jarvik, JG, Gold, LS, Comstock, BA, Heagerty, PJ, Rundell, SD, Turner, JA, Avins, AL, Bauer, Z, Bresnahan, BW, Friedly, JL, James, K, Kessler, L, Nedeljkovic, SS, Nerenz, DR, Shi, X, Sullivan, SD, Chan, L, Schwalb, JM, Deyo, RA. (2015). Association of early imaging for back pain with clinical outcomes in older adults. Journal of the American Medical Association, 313(11):1143-1153.