Skip to main content
School of Public Health
block W logo University of Washington

Branko Kopjar

faculty photo
Associate Professor, Health Services


PhD   University of Oslo (Norway), 1996   (Epidemiology)
MS   University of Zagreb (Yugoslavia), 1991   (Biostatistics)
MD   University of Zagreb (Yugoslavia), 1987   (Internal Medicine)

Contact Info


4333 Brooklyn Ave NE, Rm 14-315
Seattle, WA 98195-9455

campus box:   359455
voice:   206-221-3349
fax:   206-543-3964


Dr. Kopjar is an internationally recognized scholar and expert in biostatistics and clinical epidemiology. He serves as an author/co-author on over 500 published original articles, reviews, technical reports and abstracts. His research interests include: spinal cord injury and diseases, neurosurgery, orthopaedics, preventive medicine and healthcare reform. Dr. Kopjar has been actively participating in the design, management and analysis of clinical trials and medical research for more than 30 years. He is a frequent contributor to such peer-reviewed publications as the Journal of Neurosurgery, the American Journal of Public Health, Spine and the Journal of Bone and Joint Surgery. In the 1990’s he served as the research director for the Norwegian Foundation for Health Services Research and department head of the Section for Preventive Medicine at the Norwegian National Institute of Public Health. As a consultant, he works closely with the leading global pharmaceutical, medical device and venture capital firms in regards to determining the efficacy, safety and investment value of medical technologies. Dr. Kopjar is active in a variety of research organizations including: AOSpine North America, The North American Spine Society (NASS), Cervical Spine Research Society (CSRS) and the International Scholarly Research Network (ISRN). He serves on the editorial board and as a reviewer for a number of academic journals and he is the current director of the Executive Master of Public Health program at the University of Washington. Dr. Kopjar holds the title of Distinguished Professor at Chongqing University in China. In the 2000's he held the title of Adviser to the Minister of Health for two European governments. He is a past recipient of the prestigious John M. Eisenberg Article-of-the-Year award.

Prevention effectiveness; outcomes research; comparative effectiveness; neurosurgery; orthopedics, biostatistics; quality of care; clinical trials
  • HSERV 522   (eMPH)
    Health Program Evaluation
  • HSMGMT 501
    Epidemiology/Critical Evidence Appraisal
  • HSMGMT 501   (EMHA)
    Epidemiology/Critical Evidence Appraisal
  • HSMGMT 501   (MHIHIM)
    Epidemiology/Critical Evidence Appraisal

Arnold PM, Sasso RC, Janssen ME, Fehlings MG, Heary RF, Vaccaro AR, Kopjar B. i-Factor™ Bone Graft vs Autograft in Anterior Cervical Discectomy and Fusion: 2-Year Follow-up of the Randomized Single-Blinded Food and Drug Administration Investigational Device Exemption Study. Neurosurgery. 2017 Sep 8. doi: 10.1093/neuros/nyx432. [Epub ahead of print]  PMID: 28945914

Fehlings MG, Kopjar B, Ibrahim A, Tetreault LA, Arnold PM, Defino H, Kale SS, Yoon ST, Barbagallo GM, Bartels RHM, Zhou Q, Vaccaro AR, Zileli M, Tan G, Yukawa Y, Brodke DS, Shaffrey CI, de Moraes OS, Woodard EJ, Scerrati M, Tanaka M, Toyone T, Sasso RC, Janssen ME, Gokaslan ZL, Alvarado M, Bolger C, Bono CM, Dekutoski MB. Geographical variations in clinical presentation and outcomes of decompressive surgery in patients with symptomatic degenerative cervical myelopathy: analysis of a prospective, international multicenter cohort study of 757 patients. Spine J. 2017 Sep 6. pii: S1529-9430(17)30982-8. doi: 10.1016/j.spinee.2017.08.265. [Epub ahead of print]  PMID: 28888674

Nagoshi N, Tetreault L, Nakashima H, Arnold PM, Barbagallo G, Kopjar B, Fehlings MG. Risk Factors for and Clinical Outcomes of Dysphagia After Anterior Cervical Surgery for Degenerative Cervical Myelopathy: Results from the AOSpine International and North America Studies. J Bone Joint Surg Am. 2017 Jul 5;99(13):1069-1077. doi: 10.2106/JBJS.16.00325.  PMID: 28678119

Tetreault L, Nagoshi N, Nakashima H, Singh A, Kopjar B, Arnold P, Fehlings MG. The Impact of Depression and Bipolar Disorders on Functional and Quality of Life Outcomes in Patients Undergoing Surgery for Degenerative Cervical Myelopathy: Analysis of a Combined Prospective Dataset. Spine (Phila Pa 1976). 2016 Jul 7. [Epub ahead of print]  PMID: 27398891

Bohm PE, Fehlings MG, Kopjar B, Tetreault LA, Vaccaro AR, Anderson KK, Arnold PM. Psychometric properties of the 30-m walking test in patients with degenerative cervical myelopathy: results from two prospective multicenter cohort studies. Spine J. 2017 Feb;17(2):211-217. doi: 10.1016/j.spinee.2016.08.033.  PMID: 27592193

Chair, thesis committee for Andre Carvalho
Racial/Ethnic Differences in Head and Neck Cancer Survival Rates

Member, thesis committee for Patricia Montgomery
Evaluation of a post discharge phone call program on thirty-day re-admission and emergency room use in patients with diabetes: A pilot program

Chair, thesis committee for James Manning
Evaluating a wellness program for public safety employees (cops and fire fighters) in Nevada

Chair, thesis committee for Rachel Thompson
Perioperative risk of and monitoring for hyperglycemia in spine surgery

Chair, capstone for Jeffrey Wells
Growing research: The development of a hazardous materials/blood borne pathogen protocol

An Assessment of Surgical Techniques for Treating Cervical Spondylotic An Assessment of Surgical Techniques for Treating Cervical Spondylotic Myelopathy. International Multicenter Study
University Health Network, Canada
PI:   Kopjar           Dates:    4/1/2011 - 12/31/2016

Riluzole in Spinal Cord Injury Study (RISCIS)

The aim of this study is to evaluate efficacy and safety of riluzole in the treatment of patients with acute spinal cord injury (SCI).

Efficacy of Riluzole in Surgical Treatment for Cervical Spondylotic Myelopathy (CSM-Protect)

Study of the efficacy of Riluzole in patients with cervical spondylotic myelopathy undergoing surgical treatment. A randomized, double-blind, placebo-controlled multi-center study