Dr. Yabes is a statistician in the Center for Biostatistics and Qualitative Methodology and collaborates with various investigators in the Schools of Health Sciences on diverse clinical research projects. His research has focused on the analysis of large administrative databases and the design, conduct, and analysis of clinical trials. He is involved in health services research on urologic diseases using the SEER-Medicare data and services as a biostatistician in trials on insomnia, palliative care, and critical care. He has worked on several research studies on renal disease, hematology, and pediatrics. His methodological interest includes survival and competing risks-regression methods, analysis of longitudinal data, missing data techniques, and joint modeling.
Dr. Yabes is also core faculty in the ICRE, where he has been involved in teaching many biostatistics courses. He directs Correlated Data Analysis and Survival Analysis and serves as an instructor in Introductory Biostatistics. He also directs Data Management and Analysis Using SAS in the Department of Biostatistics.
- BS, Statistics, University of the Philippines, 2003
- MS, Statistics, University of the Philippines, 2006
- PhD, Biostatistics, University of Pittsburgh, 2012
Education & Training
Jacobs BL, Lopa SH, Yabes JG, Nelson JB, Barnato AE, Degenholtz HB. Association of functional status and treatment choice among older men with prostate cancer in the Medicare Advantage population. Cancer. 2016.
Chen YF, Yabes JG, Brooks MM, Singh S, Weissfeld LA. A likelihood ratio test for nested proportions. Statistics in Medicine. 2015; 34(2):525-38.
Seaman CD, Yabes JG, Comer DM, Tagni MV. Does deficiency of von Willebrand factor protect against cardiovascular disease? Analysis of a national discharge register. Journal of Thrombosis and Haemostasis. 2015; 13(11):1999-2003.
Nwachuku EL, Balzer JR, Yabes JG, Habeych ME, Crammond DJ, Thirumala PD. Diagnostic value of somatosensory evoked potential changes during carotid endarterectomy: A systematic review and meta-analysis. The Journal of the American Medical Association Neurology. 2015; 72(1):73-80.
