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Medicine

D-Index
140
Citations
72969
World Ranking
1695
National Ranking
980

Overview

E. John Orav is affiliated with Harvard University in the United States. Their research spans multiple disciplines within medicine and health sciences, with a significant focus on health policy, healthcare management, and geriatric care.

The main fields of study for Orav include Medicine, Health Professions, and Economics, Econometrics and Finance. Their work also covers subfields such as Economics and Econometrics, General Health Professions, Geriatrics and Gerontology, Physiology, and Oncology.

Orav's research topics highlight healthcare policy and management, primary care and health outcomes, health systems evaluations and quality of life, geriatric care and nursing homes, frailty in older adults, economic impacts of cancer, and nutrition related to aging.

Frequently co-authoring with other researchers, Orav has collaborated notably with:

  • Heike A. Bischoff-Ferrari
  • José F. Figueroa
  • Reto W. Kressig
  • Arnold M. Epstein
  • Karen E. Joynt Maddox

The scientist has published extensively in venues focused on medicine and health systems, including:

  • JAMA Network Open
  • Journal of General Internal Medicine
  • Health Affairs
  • Journal of the American Geriatrics Society
  • JAMA

Some of Orav's recent papers include:

  • Effect of Vitamin D Supplementation, Omega-3 Fatty Acid Supplementation, or a Strength-Training Exercise Program on Clinical Outcomes in Older Adults, 2020, JAMA
  • Medicaid Expansion and Mortality Among Patients With Breast, Lung, and Colorectal Cancer, 2020, JAMA Network Open
  • Association of Nursing Home Ratings on Health Inspections, Quality of Care, and Nurse Staffing With COVID-19 Cases, 2020, JAMA
  • Declining Use of Primary Care Among Commercially Insured Adults in the United States, 2008-2016, 2020, Annals of Internal Medicine
  • Association of Dance-Based Mind-Motor Activities With Falls and Physical Function Among Healthy Older Adults, 2020, JAMA Network Open

Best Publications

  • Incidence and Types of Adverse Events and Negligent Care in Utah and Colorado

    Eric Thomas;David Studdert;Helen Burstin;E. Orav

  • Risk Factors for Retained Instruments and Sponges after Surgery

    Atul A. Gawande;David M. Studdert;E. John Orav;Troyen A. Brennan

  • Ventricular pacing or dual-chamber pacing for sinus-node dysfunction

    Gervasio A. Lamas;Kerry L. Lee;Michael O. Sweeney;Russell Silverman

  • Higher 25-hydroxyvitamin D concentrations are associated with better lower-extremity function in both active and inactive persons aged ≥60 y

    Heike A Bischoff-Ferrari;Thomas Dietrich;E John Orav;Frank B Hu

  • Somatization increases medical utilization and costs independent of psychiatric and medical comorbidity

    Arthur J. Barsky;E. John Orav;David W. Bates

  • Patients' Perception of Hospital Care in the United States

    Ashish K Jha;E John Orav;Jie Zheng;Arnold M Epstein

  • Prevention of Nonvertebral Fractures With Oral Vitamin D and Dose Dependency: A Meta-analysis of Randomized Controlled Trials

    Heike A. Bischoff-Ferrari;Walter C. Willett;John B. Wong;Andreas E. Stuck

  • Incidence, causes, and outcomes of dilated cardiomyopathy in children.

    Jeffrey A. Towbin;April M. Lowe;Steven D. Colan;Lynn A. Sleeper

  • Comparison of Hospital Mortality and Readmission Rates for Medicare Patients Treated by Male vs Female Physicians.

    Yusuke Tsugawa;Anupam B. Jena;Jose F. Figueroa;E. John Orav

  • A Pooled Analysis of Vitamin D Dose Requirements for Fracture Prevention

    Heike A. Bischoff-Ferrari;Walter C. Willett;Endel J. Orav;Paul Lips

  • Positive association between 25-hydroxy vitamin D levels and bone mineral density: a population-based study of younger and older adults.

    Heike A Bischoff-Ferrari;Thomas Dietrich;E.John Orav;Bess Dawson-Hughes

  • Readmissions, Observation, and the Hospital Readmissions Reduction Program

    Rachael B. Zuckerman;Steven H. Sheingold;E. John Orav;Joel Ruhter

  • Epidemiology of Sepsis Syndrome in 8 Academic Medical Centers

    Kenneth E. Sands;David W. Bates;Paul N. Lanken;Paul S. Graman

  • Female sex and higher drug dose as risk factors for late cardiotoxic effects of doxorubicin therapy for childhood cancer.

    Lipshultz Se;Lipsitz;Mone Sm;Goorin Am

  • The incidence of pediatric cardiomyopathy in two regions of the United States.

    Steven E. Lipshultz;Lynn A. Sleeper;Jeffrey A. Towbin;April M. Lowe

  • Effects of oral administration of type II collagen on rheumatoid arthritis.

    DE Trentham;RA Dynesius-Trentham;EJ Orav;D Combitchi

  • Thirty-day readmission rates for Medicare beneficiaries by race and site of care.

    Karen E. Joynt;E. John Orav;Ashish K. Jha

  • Quality of life and clinical outcomes in elderly patients treated with ventricular pacing as compared with dual-chamber pacing. Pacemaker Selection in the Elderly Investigators.

    G A Lamas;E J Orav;B S Stambler;K A Ellenbogen

  • Double-blind pilot trial of oral tolerization with myelin antigens in multiple sclerosis

    HL Weiner;GA Mackin;M Matsui;EJ Orav

  • A pooled analysis of Vitamin D dose requirements for fracture prevention

    Bo Abrahamsen;Alison Avenell;Mark Bolland;Lars Rejnmark

Frequent Co-Authors

Ashish K. Jha
Ashish K. Jha Brown University
David W. Bates
David W. Bates Brigham and Women's Hospital
Arnold M. Epstein
Arnold M. Epstein Harvard University
Steven E. Lipshultz
Steven E. Lipshultz University at Buffalo, State University of New York
Steven D. Colan
Steven D. Colan Boston Children's Hospital
Walter C. Willett
Walter C. Willett Harvard University
Troyen A. Brennan
Troyen A. Brennan Harvard University
Heike A. Bischoff-Ferrari
Heike A. Bischoff-Ferrari University of Zurich
Lynn A. Sleeper
Lynn A. Sleeper Boston Children's Hospital
Bess Dawson-Hughes
Bess Dawson-Hughes Tufts University

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