Department of Medicine
Faculty Profiles by Division

Division of General Internal Medicine

Faculty Profiles
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photo Jonathan G. Yabes, PhD

General Internal Medicine

Assistant Professor of Medicine, Biostatistics, and Clinical and Translational Science

Email: jgy2@pitt.edu

Phone: 412-605-0158
Contact
Office: Center for Research on Health Care
200 Meyran Avenue, Suite 300
Pittsburgh, PA 15213
 
Phone: 412-605-0158
Fax: 412-586-9672
E-mail: jgy2@pitt.edu
Education and Training
Education
BS, Statistics, University of the Philippines, 2003
MS, Statistics, University of the Philippines, 2006
PhD, Biostatistics, University of Pittsburgh, 2012
Research Interest
Dr. Yabes is a statistician in the Center for Research on Health Care (CRHC) Data Center 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 of urologic diseases using the SEER-Medicare data and serves 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.
Educational Interest
Dr. Yabes is a core faculty in the Institute for Clinical Research Education (ICRE) where he has been involved in teaching many biostatistics courses. He directs Correlated Data Analysis (CLRES 2026) and Survival Analysis (CLRES 2023) and serves as an instructor in Introductory Biostatistics (CLRES 2020). He also directs Data Management and Analysis using SAS (BIOST 2093) in the Department of Biostatistics.
Publications
For my complete bibliography, Click Here.
Selected Publications:
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(3): 525-38.
Jacobs BL, Sunderland R, Yabes J, Nelson JB, Barnato AE, Bekelman JE. Local Coverage Determination Policy and the Use of Stereotactic Body Radiation Therapy for Prostate Cancer. Urology Practice. 2015; 2(6): 304-311.
Seaman CD, Yabes J, Comer DM, Ragni 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.
Rajakumar K, Moore CG, Yabes J, Olabopo F, Haralam MA, Comer D, Bogusz J, Nucci A, Sereika S, Dunbar-Jacob J, Holick MF, Greenspan SL. Effect of Vitamin D3 Supplementation in Black and in White Children: A Randomized, Placebo-Controlled Trial. The Journal of Clinical Endocrinology & Metabolism. 2015.
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.
Seaman CD, Yabes J, Li J, Moore CG, Ragni MV. Venous thromboembolism in pregnant women with sickle cell disease: a retrospective database analysis. Thrombosis Research. 2014; 134(6): 1249-52.
Nawaz H, Mounzer R, Yadav D, Yabes JG, Slivka A, Whitcomb DC, Papachristou GI. Revised Atlanta and determinant-based classification: application in a prospective cohort of acute pancreatitis patients. The American Journal of Gastroenterology. 2013; 108(12): 1911-7.
Su CT, Yabes J, Pike F, Weiner DE, Beddhu S, Burrowes JD, Rocco MV, Unruh ML. Changes in anthropometry and mortality in maintenance hemodialysis patients in the HEMO Study. American Journal of Kidney Diseases. 2013; 62(6): 1141-50.
Kang EW, Abdel-Kader K, Yabes J, Glover K, Unruh M. Association of sleep-disordered breathing with cognitive dysfunction in CKD stages 4-5. American Journal of Kidney Diseases. 2012; 60(6): 949-58.
Sponsored Research/Activities
Title: Urea for chronic hyponatremia: a pilot study
Role: Principal Investigator
Funding Agency: National Institute of Health
Grant Number: R21 DK122023
Start Year: 2020
End Year: 2022
Title: Technology Assisted Stepped Collaborative Care Intervention (TASCCI) to Improve Patient-Centered Outcomes in Hemodialysis Patients
Role: Principal Investigator
Funding Agency: National Institute of Diabetes, Digestive, & Kidney Disease
Grant Number: R01 DK114085
Start Year: 2017
End Year: 2022
Title: Impact of Rural Hospital Payment and Delivery Reform on Geographic Disparities in Cancer Surgery
Role: Co-Investigator
Funding Agency: National Cancer Institute
Grant Number: R01 CA244189
Start Year: 2020
End Year: 2025
Title: Understanding Use of Direct to Consumer Telemedicine for Pediatric Acute Respiratory Infections
Role: Co-Investigator
Funding Agency: National Institute of Allergy & Infectious Diseases
Grant Number: R01 AI148159
Start Year: 2020
End Year: 2024
Title: The NICU Antibiotics and Outcomes (NANO) Trial
Role: Co-Investigator
Funding Agency: National Institute of Health
Grant Number: R01
Start Year: 2019
End Year: 2024
Title: Organizational Strategies for Improving Evidence-Uptake in Intensive Care
Role: Co-Investigator
Funding Agency: National Heart, Lung, & Blood Institute
Grant Number: R35 HL144804
Start Year: 2019
End Year: 2023
Title: OPTIMIZing carE in Chronic Kidney Disease (OPTIMIZE CKD)
Role: Co-Investigator
Funding Agency: National Institute of Diabetes, Digestive, & Kidney Disease
Grant Number: R18 DK118460
Start Year: 2018
End Year: 2021
Title: University of Pittsburgh Clinical and Translational Science Institute (KL2)
Role: Co-Investigator
Funding Agency: National Center for Advancing Translational Sciences
Grant Number: KL2 TR001856
Start Year: 2016
End Year: 2021
Title: University of Pittsburgh Clinical and Translational Science Institute (Team Science)
Role: Co-Investigator
Funding Agency: National Center for Advancing Translational Sciences
Grant Number: UL1 TR001857
Start Year: 2016
End Year: 2021
Title: University of Pittsburgh Clinical and Translational Science Institute (Workplace Development)
Role: Co-Investigator
Funding Agency: National Center for Advancing Translational Sciences
Grant Number: UL1 TR001857
Start Year: 2016
End Year: 2021
Title: Cognitive Enhancement Therapy for Adult Autism Spectrum Disorder
Role: Co-Investigator
Funding Agency: National Institute of Mental Health
Grant Number: R01 MH106450
Start Year: 2015
End Year: 2020

Division Websites

Cardiology

Endocrinology and Metabolism

Gastroenterology, Hepatology and Nutrition

General Internal Medicine

Geriatric Medicine
Hematology/Oncology

Infectious Diseases

Pulmonary, Allergy and Critical Care Medicine

Renal-Electrolyte

Rheumatology and Clinical Immunology

Contact

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Email:  chairoff@pitt.edu
Phone:  412-648-9636
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