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  • Faculty
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  • Ashkan Ertefaie
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Faculty

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Ashkan Ertefaie, PhD

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Associate Professor of Biostatistics in Biostatistics and Epidemiology
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Department: Biostatistics and Epidemiology
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46 Contact information
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Division of Biostatistics
44 Department of Biostatistics, Epidemiology, and Informatics
3e University of Pennsylvania Perelman School of Medicine
1a 423 Guardian Drive
39 Room 604 Blockley Hall
Philadelphia, PA 19104
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2e Office: 215-898-3311
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Email: ashkan.ertefaie@pennmedicine.upenn.edu
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13 Education:
21 7 BS 17 (Statistics) c
48 Isfahan University of Technology, Isfahan, Iran, 2003.
 21 7 MS 17 (Statistics) c
41 Shahid Beheshti University, Tehran, Iran, 2006.
 21 8 PhD 17 (Statistics) c
3c McGill University, Montreal, Canada, 2011.
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Selected Publications

16a Brehm, Z. P., Schneider, R. B., Venuto, C. S., Smith, G., Pham, C. T., McDermott, M. P., & Ertefaie, A: Constructing a Personalized Treatment Rule for Initial Therapy in Early Parkinson's Disease. Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy 46(1): e70069, Jan 2026.

 166 Schnitzer ME, Talbot D, Liu Y, Berger D, Wang G, O'Loughlin J, Sylvestre MP, Ertefaie A.: Adaptive Sparsening and Smoothing of the Treatment Model for Longitudinal Causal Inference Using Outcome-Adaptive LASSO and Marginal Fused LASSO. Statistics in Medicine 45(0-2): e70316, Jan 2026.

 13d Vizcarra JA, Hefter K, Lafontant DE, Duong MT, Ertefaie A, Litt B, Bassett DS, Siderowf A: Fall Frequency, Risk Factors, and Outcomes in Parkinson's Disease: A Cross-Sectional Analysis. medRxiv Sep 2025 Notes: doi: 10.1101/2025.08.05.25332959.

 159 Yaeger, J. P., Hill, E. L., Ertefaie, A., & Fiscella, K. A.: A Population-Based Study of Rates of Invasive Bacterial Infection (IBI) and Missed IBI in Febrile Infants 8 to 90 Days of Age. Journal of Pediatrics 282: 114578, Jul 2025 Notes: doi: 10.1016/j.jpeds.2025.114578.

 193 Vo TT, Roy S, Ye T, Erterfaie A, Nguyen TPP, Flory J, Leonard CE, Small DS, Hennessy S: Effect of exogenous testosterone on cardiovascular, cerebrovascular, and thromboembolic adverse events: Results of three complementary research designs. American Journal of Epidemiology Page: kwaf098, May 2025 Notes: doi: 10.1093/aje/kwaf098.

 d5 Pham, C. T., Baer, B. R., & Ertefaie, A: Nonparametric assessment of regimen response curve estimators. Biometrics 81(2): ujaf066, Apr 2025.

 15b Pham, C. T., Lynch, K. G., McKay, J. R., & Ertefaie, A: Sensitivity analysis for constructing optimal regimes in the presence of treatment non-compliance and two active treatments. Electronic Journal of Statistics 19(1): 2095–2120, Apr 2025 Notes: DOI: 10.1214/25-EJS2377.

 169 Jaman, A., Wang, G., Ertefaie, A., Bally, M., Lévesque, R., Platt, R. W., & Schnitzer, M. E. : Penalized G-estimation for effect modifier selection in a structural nested mean model for repeated outcomes. Biometrics 81(1): ujae165, Jan 2025 Notes: https://doi.org/10.1093/biomtc/ujae165.

 12e Ertefaie, A., Duttweiler, L., Johnson, B., van der Laan, M. J.: Nonparametric estimation of a covariate-adjusted counterfactual treatment regimen response curve. Annals of Statistics 2025 Notes: doi.org/10.48550/arXiv.2309.16099.

 110 Jones, J., Ertefaie A., and Strawderman, R. L. : Causal mediation analysis: Selection with asymptotically valid inference. Journal of the Royal Statistical Society. Series B 87(3): 678-700, Nov 2024.

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