Thuan Nguyen, MD, PhD

Assistant Professor


M.D. (1995) Hue University, School of Medicine, Vietnam
M.S. (2002) in Statistics, California State University, Hayward
Ph.D. (2008) in Biostatistics, University of California, Davis

Primary Mission within the Department

Provide services, teaching and research in Statistics.

Experience and Interests

Dr. Nguyen is a biostatistician with primary interest in statistical modeling of various data in medicine and biology. In addition, she has interests in mixed effects models, model selection, longitudinal data analysis, small area estimation, missing data techniques, and statistical genetics–QTL mapping, linkage analysis

Recent Publications

Rajarshi Mazumder, William E. Lambert, Thuan Nguyen, Dennis N. Bourdette, Michelle H. Cameron (2014). Fear of Falling is Associated with Recurrent Falls in People with Multiple Sclerosis: A Longitudinal Cohort Study.  International Journal of Multiple Sclerosis Care, accepted.

Anna E. Wentz, Lynne  C. Messer, Thuan Nguyen, & Janne Boone-Heinonen (2014),  Small and large size for gestational age and neighborhood deprivation measured within increasing proximity to homes.  Health & Place, in press.

Lee-Lin, F., Pedhiwala, N., Nguyen, T., & Menon, U.(2014), Breast Health Intervention Effects on Knowledge and Beliefs Over time among Chinese American Immigrants - A Randomized Controlled Study. Journal of Cancer Education, in press.

Jiang, J., Nguyen, T., and Rao, J. S. (2014), Observed best prediction via nested-error regression with potentially misspecified mean and variance. Survey Methodology, in press. 

Mark Merkens, Nancy Sinden, Christine Brown, Louise Merkens, Jean-Baptiste Roullet, Thuan Nguyen, and Robert Steiner (2014), Feeding Impairments in Smith-Lemli-Opitz Syndrome. Journal of Pediatrics, in press.

Izumi, Findholt, Pickus, Cuneo, Nguyen (2014), SNACZ: Inter-rater reliability of a checklist to assess availability of healthy snack foods and beverages. Childhood Obesity, in press. 

Ryan Olson, Brad Wipfli, Robert Wright, Layla Garrigues, Thuan Nguyen (2014), Reliability and Validity of the Home Care STAT (Safety Task Assessment Tool). Applied Ergonomics, in press.

Jiang, J., Nguyen, T., and Rao, J. S. (2014), The E-MS algorithm: Model selection with incomplete data. Journal of the American Statistical Association, DOI: 10.1080/01621459.2014.948545

Nancy E. Findholt, Betty T. Izumi, Thuan Nguyen, Hayley Pickus, and Zunqiu Chen (2014), Availability of healthy snack foods and beverages in stores near high-income urban, low-income urban, and rural elementary and middle schools in Oregon. Childhood Obesity, DOI: 10.1089/chi.2014.0020

Lee-Lin, F., Nguyen, T., Pedhiwala, N., Dieckmann, N., & Menon, U.(2014), A Breast Health Educational Program for Chinese American Women: Three- to Twelve-Months Post-Intervention Effect. American Journal of Health Promotion. Published online January 24, 2014; doi:http://dx.doi.org/10.4278/ajhp.130228-QUAN-91

Lee, CS, Mudd, JO, Gelow, JM, Nguyen, T., Hiatt, SO, Green, JK, Denfeld, QE, Bidwell, JT, Grady, KL (2014),  Background and design of the profiling biobehavioral responses to mechanical support in advanced heart failure (PREMISE) study. Journal of Cardiovascular Nursing, 29(5):405-15. doi: 10.1097/JCN.0b013e318299fa09

A Riddle, J. Maire, V.Cai, T. Nguyen, K. Hansen, M.R. Grafe, A.R. Hohimer, S.A. Back (2014),  Hemodynamic and metabolic correlates of perinatal while matter injury severity.  PlosONE, 8(12): e82940.

Thuan Nguyen, Jie Peng, Jiming Jiang (2014), Fence Methods for Backcross Experiments.  Statistical Computation and Simulation, 84(3), 644-662.

Lee, C., Lyon K., Gelow J., Mudd J., Hiatt S., Nguyen T., Jaarsma T. (2013), Validity and Reliability of the European Heart Failure Self-care Behavior Scale Among Adults from the United States with Symptomatic Heart Failure European. Journal of Cardiovascular Nursing, 12(2):214-8. doi: 10.1177/1474515112469316

Dena Hassouneh, Thuan Nguyen, Zunqiu Chen and Elizabeth McNeff (2013), Healing Pathways: A Program for Women with Physical Disabilities and Depression.  Rehabilitation Research and Practice, Volume 2013.  doi:10.1155/2013/649875

Avilash K Cramer, Amanu G Haile, Sanja Ognjenovic, Tulsee S Doshi, William Matthew Reilly, Katherine E Rubinstein, Nima Nabavizadeh, Thuan Nguyen, Lu Z Meng, Martin Fuss, James A Tanyi and Arthur Y Hung (2013), Real-time prostate motion assessment: image-guidance and the temporal dependence of intra-fraction motion. BMC Medical Physics, 13:4.  doi:10.1186/1756-6649-13-4

Cindy McEvoy, Sridevi Venigalla, Diane Schilling, Nakia Clay, Patricia Spitale, Thuan Nguyen (2013), Respiratory Function in Healthy Late Preterm Infants Delivered at 33-36 Weeks of Gestation. Journal of Pediatrics, 162: 464-9.

Uchida, N., Chen K., Dohse, M., Hansen, K.D., Dean, J.M., Buser, J.R., Riddle, A. R., Beardsley, D.J., Wan, Y., Gong, X., Nguyen, T., Cummings, B.J., Anderson, A.J., Tamaki, S.J., Tsukamoto, A., Weismann, I.L., Matsumoto, S., Sherman, L.S., Kroenke, C.D., Back  S.A. (2012), Human neural stem cells induce functional myelination in mice with severe dymyelination. Science Translational Medicine, 4(155):155ra13.

Joanne Noone, Maggie Sullivan, Thuan Nguyen, Tiffany L. Allen (2012), Pilot Test Of Interactive Theater to Improve Parent Communication on Pregnancy Prevention, Arts & Health, DOI:10.1080/17533015.2012.718717
Jiang, J. and Nguyen, T. (2012), Small area estimation via heteroscedastic nested-error regression, Canadian Journal of Statistics, 40(3), 588-603.
Jennifer Needle, Richard Mularski, Thuan Nguyen, Erik Fromme (2012), Do Personal Preferences for Life-Sustaining Treatment Influence Medical Decision- Making among Pediatric Intensivists? Critical Care Medicine, 40(8):2464-2469.
Erin Madriago, Thuan Nguyen, Megan McFerson Virgil Larson, Nathan Airhart, James H. Moller, and Michael Silberbach (2012), Frequency and Outcome of Cardiac Operations and Catheter Interventions in Turner Syndrome, American Journal of Cardiology, 110:580-585.
David C. Sheridan, David M. Spiro, Thuan Nguyen, Thomas K. Koch, Garth D. Meckler, Low-Dose Propofol for Abortive Treatment of Pediatric Migraine in the Emergency Department (2012), Pediatric Emergency Care, 28(12): 1293-1296.
Maynika Rastogi, Linda Stork, Brian Druker, Carolyn Blasdel, Thuan Nguyen, Bruce A. Boston (2012),  Imatinib mesylate causes growth deceleration in pediatric patients with chronic myelogenous leukemia. Pediatric Blood & Cancer, 59(5):840–845.

Joshua R. Buser, Jennifer Maire, Art Riddle, Xi Gong, Thuan Nguyen, Kerst Nelson, Ning Ling Luo, Jennifer Ren, Jaime Struve, Larry S. Sherman, Steven P. Miller, Vann Chau, Glenda Hendson, Praveen Ballabh, Marjorie R. Grafe, and Stephen A. Back (2012), Arrested Preoligodendrocyte Maturation Contributes to Myelination Failure in Premature Infants, Annals of Neurology, 71:93–109.

Briggs EC, Nguyen T, Wall MA, Macdonald KD (2012), Oral antimicrobial use in outpatient cystic fibrosis pulmonary exacerbation management: a single-center experience. Clin Respir J., 6: 56–64

Muhammad Ashraf, Zhiwen Zhou, Thuan Nguyen, Shiza Ashraf, and David J. Sahn (2012), Apex to Base Left Ventricular Twist Mechanics Computed From High Frame Rate Two-Dimensional and Three-Dimensional Echocardiography: A Comparison Study, JASE, 25(1):121-8.

Thuan Nguyen and Jiming Jiang (2012), Restricted fence method for covariate selection in longitudinal data analysis. Biostatistics, 13(2),303-314 (DOI:  10.1093/biostatistics/KXR046)

Thuan Nguyen and Jiming Jiang (2011), Simple estimation of hidden correlation in repeated measures, Statistics in Medicine, 30(29): 3403-3415.

Nguyen, T. and Jiang, J. (2011), Benchmarking the mixed linear model for longitudinal data, Proceedings of the Joint Statistical Meetings,  Miami, FL., July-August 2011.

Jiming Jiang, Thuan Nguyen and J. Sunil Rao (2011), Invisible fence methods and the identification of differentially expressed gene sets. Statistics and Its Interface, Volume 4, 403-415.

Riddle, A., Dean, J., Buser, B.S., Gong, X., Maire, J., Chen, K., Ahmad, T., Chen, V., Nguyen, T., Kroenke, C.D., Hohimer, A.R. and Back, S.A. (2011). Histopathological correlates of MRI-defined chronic perinatal white matter injury, Annals of Neurology, 70(3): 493-507

Jiming Jiang, Thuan Nguyen, and J. Sunil. Rao (2011), Best Predictive Small Area Estimation, Journal of the American Statistical Association, Featured Article, 106, 494: 732–745

Muhammad Ashraf, Andriy Myronenko, Thuan Nguyen, Akio Inage, Wayne Smith, Robert I. Lowe, Karl Thiele, Carol A. Gibbons Kroeker, John V. Tyberg, Jeffrey F. Smallhorn, Davis H. Sahn, Xubo Song (2010).  A Method for Defining Left ventricular Apex to Base Twist Mechanics Computed from High-Resolution 3D Echocardiography: validation against Sonomicrometry, Journal of the American College of Cardiology: Cardiovascular Imaging, 3, 227-234.

Zhou Z, Ashraf M, Hu D, Dai X, Xu Y, Kenny B, Cameron B, Nguyen T, Xiong L, Sahn DJ (2010).  Three-Dimensional Speckle Tracking Imaging for Left Ventricular Rotation Measurement: An In Vitro Validation Study: Journal of Ultrasound in Medicine; 29, 903–909.

Jiang J., Nguyen T., Rao J.S. (2010), Fence Method for Nonparametric Small Area Estimation, Survey Methodology, 36, 1, 3-11.

Jiang, J. and Nguyen, T. (2009), Comments on: Goodness-of-fit tests in mixed models by G. Claeskens and J. D. Hart, Test, 18, 248-255.

Jiang J., Nguyen T., Rao R.S. (2009), A Simplified Adaptive Fence Procedure, Statistics and Probability Letters, 79, 625-629.

Jiang J., Rao J.S., Gu Z., Nguyen T. (2008).  Fence Methods for Mixed Model Selection, The Annals of Statistics, 36(4): 1669-1692.

Nanigian D., Nguyen T., Tanaka S.T., Cambio A., Digrande A., Kurzrock E.A. (2008).  Development and Validation of a Quality of Life Measure for Fecal Incontinence in Children with Spina Bifida, The Journal of Urology, Oct:180 (4 Suppl): 1770-3: discussion 1773.

DeLair S., White M.J., Nguyen T., Stone A.R., Kurzrock E.A. (2007).  Renal Cortical Deterioration in Children with Spinal Dysraphism: Analysis of Risk Factor, Journal of Spinal Cord Medicine, 30(S1): 30-34.

Srinivasan M., Wilkes M., Stevenson F., Nguyen T., Slavin S. (2007).  Comparing Problem-Based Learning with Case-Based Learning: Effects of a Major Curricular Shift at Two Institutions, Journal of the Association of American Medical Colleges, Academic Medicine, 82(1):74-82.

Thuan Nguyen, MD, PhD
Assistant Professor

Phone: (503) 494-3697
Fax: (503) 494-4981