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Christopher Worrall · SciRah

Researcher profile · Semantic Scholar

Christopher Worrall

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Christopher Worrall — researcher profile on SciRah

h-index: 20
Works: 40
Citations: 2,795

Most-cited papers

Cardiovascular, Bleeding, and Mortality Risks in Elderly Medicare Patients Treated With Dabigatran or Warfarin for Nonvalvular Atrial Fibrillation
D. Graham, M. Reichman, M. Wernecke, Rong-Mei Zhang +9 more
2015Circulation660 citations Open access
Semantic Scholar
Risk of acute myocardial infarction, stroke, heart failure, and death in elderly Medicare patients treated with rosiglitazone or pioglitazone.
D. Graham, R. Ouellet-Hellstrom, T. MaCurdy, Farzana Ali +3 more
2010Journal of the American Medical Association (JAMA)563 citations
Semantic Scholar
Stroke, Bleeding, and Mortality Risks in Elderly Medicare Beneficiaries Treated With Dabigatran or Rivaroxaban for Nonvalvular Atrial Fibrillation.
D. Graham, M. Reichman, M. Wernecke, Ya-Hui Hsueh +10 more
2016JAMA Internal Medicine302 citations Open access
Semantic Scholar
Comparative Risk of Anaphylactic Reactions Associated With Intravenous Iron Products.
Cunlin Wang, D. Graham, R. Kane, Di-Qiong Xie +12 more
2015Journal of the American Medical Association (JAMA)211 citations Open access
Semantic Scholar
Comparative effectiveness of high-dose versus standard-dose influenza vaccines in US residents aged 65 years and older from 2012 to 2013 using Medicare data: a retrospective cohort analysis
H. Izurieta, N. Thadani, D. Shay, Yun Lu +9 more
2015Lancet. Infectious Diseases (Print)169 citations Open access
Semantic Scholar
Comparative Effectiveness of High-Dose Versus Standard-Dose Influenza Vaccines Among US Medicare Beneficiaries in Preventing Postinfluenza Deaths During 2012–2013 and 2013–2014
D. Shay, Y. Chillarige, Jeffrey A. Kelman, R. Forshee +8 more
2017Journal of Infectious Diseases108 citations Open access
Semantic Scholar
Dialysis care and death following Hurricane Sandy.
Jeffrey A. Kelman, Kristen P. Finne, A. Bogdanov, Christopher Worrall +4 more
2015American Journal of Kidney Diseases85 citations
Semantic Scholar
Effectiveness and Duration of Protection Provided by the Live-attenuated Herpes Zoster Vaccine in the Medicare Population Ages 65 Years and Older
H. Izurieta, M. Wernecke, Jeffrey A. Kelman, Sarah Wong +9 more
2017Clinical Infectious Diseases74 citations
Semantic Scholar
Incidence of endophthalmitis after corneal transplant or cataract surgery in a medicare population.
D. Du, Austin Wagoner, S. Barone, Craig E. Zinderman +5 more
2014Ophthalmology (Rochester, Minn.)72 citations Open access
Semantic Scholar
Transfusion‐associated circulatory overload (TACO) and potential risk factors among the inpatient US elderly as recorded in Medicare administrative databases during 2011
M. Menis, Steven A. Anderson, R. Forshee, S. McKean +8 more
2014Vox Sanguinis71 citations
Semantic Scholar
Left bundle branch block predicts better survival in women than men receiving cardiac resynchronization therapy: long-term follow-up of ∼ 145,000 patients.
Z. Loring, D. Canos, Kimberly A. Selzman, Naomi D. Herz +7 more
2013JACC. Heart failure50 citations Open access
Semantic Scholar
The Complexity of Disease Combinations in the Medicare Population
James Sorace, Hui-Hsing Wong, Christopher Worrall, Jeffrey A. Kelman +2 more
2011Population health management41 citations
Semantic Scholar
Chart-confirmed guillain-barre syndrome after 2009 H1N1 influenza vaccination among the Medicare population, 2009-2010.
L. Polakowski, Sukhminder K. Sandhu, David Martin, Robert H. Ball +10 more
2013American Journal of Epidemiology39 citations Open access
Semantic Scholar
Early Dialysis and Adverse Outcomes After Hurricane Sandy.
N. Lurie, Kristen P. Finne, Christopher Worrall, Maria Jauregui +3 more
2015American Journal of Kidney Diseases35 citations Open access
Semantic Scholar
Early mortality after aortic valve replacement with mechanical prosthetic vs bioprosthetic valves among Medicare beneficiaries: a population-based cohort study.
D. Du, S. McKean, Jeffrey A. Kelman, J. Laschinger +7 more
2014JAMA Internal Medicine33 citations Open access
Semantic Scholar
Using Medicare data to identify individuals who are electricity dependent to improve disaster preparedness and response.
K. Desalvo, N. Lurie, Kristen P. Finne, Christopher Worrall +4 more
2014American Journal of Public Health33 citations Open access
Semantic Scholar
Association Between Changes in CMS Reimbursement Policy and Drug Labels for Erythrocyte-Stimulating Agents With Outcomes for Older Patients Undergoing Hemodialysis Covered by Fee-for-Service Medicare.
Cunlin Wang, R. Kane, Mark S. Levenson, Jeffrey A. Kelman +14 more
2016JAMA Internal Medicine30 citations Open access
Semantic Scholar
Babesiosis Occurrence among the Elderly in the United States, as Recorded in Large Medicare Databases during 2006–2013
M. Menis, R. Forshee, Sanjai Kumar, S. McKean +9 more
2015PLoS ONE30 citations Open access
Semantic Scholar
Trends in influenza and pneumococcal vaccination among U.S. nursing home residents, 2006–2014
Carla L. Black, W. Williams, Inaki Arbeloa, Natasa Kordic +4 more
2017Journal of the American Medical Directors Association28 citations Open access
Semantic Scholar
Near real-time surveillance for Guillain-Barré syndrome after influenza vaccination among the Medicare population, 2010/11 to 2013/14.
Sukhminder K. Sandhu, Wei Hua, T. MaCurdy, Riley Franks +5 more
2017Vaccine25 citations
Semantic Scholar
Medicare claims versus beneficiary self-report for influenza vaccination surveillance.
K. Lochner, M. Wynne, Gloria Wheatcroft, Christopher Worrall +1 more
2015American Journal of Preventive Medicine19 citations
Semantic Scholar
Off-Label Topical Calcineurin Inhibitor Use in Children
A. Manthripragada, Simone P. Pinheiro, T. MaCurdy, Shahin Saneinejad +3 more
2013Pediatrics17 citations
Semantic Scholar
Babesiosis among Elderly Medicare Beneficiaries, United States, 2006–2008
M. Menis, S. Anderson, H. Izurieta, Sanjai Kumar +8 more
2012Emerging Infectious Diseases16 citations Open access
Semantic Scholar
Candidate metrics for evaluating the impact of prescriber education on the safe use of extended-release/long-acting (ER/LA) opioid analgesics.
Mary E. Willy, D. Graham, J. Racoosin, Rajdeep Gill +7 more
2014Pain medicine (Malden, Mass.)14 citations
Semantic Scholar
Cardiovascular and mortality risks in older Medicare patients treated with varenicline or bupropion for smoking cessation: an observational cohort study
David J. Graham, Kunthel By, S. McKean, A. Mosholder +7 more
2014Pharmacoepidemiology and Drug Safety14 citations
Semantic Scholar
Bleeding Events Following Concurrent Use of Warfarin and Oseltamivir by Medicare Beneficiaries
A. Mosholder, J. Racoosin, Stephanie Young, M. Wernecke +4 more
2013The Annals of Pharmacotherapy14 citations
Semantic Scholar
Cardiovascular and mortality risk in elderly Medicare beneficiaries treated with olmesartan versus other angiotensin receptor blockers
David J. Graham, Esther H. Zhou, S. McKean, Mark S. Levenson +6 more
2014Pharmacoepidemiology and Drug Safety13 citations
Semantic Scholar
Cardiovascular and mortality risks in Parkinson's disease patients treated with entacapone
David J. Graham, James R. Williams, Ya-Hui Hsueh, Katlyn Calia +6 more
2013Movement Disorders11 citations
Semantic Scholar
Robustness properties of a sequential test for vaccine safety in the presence of misspecification
Riley Franks, Sukhminder K. Sandhu, A. Avagyan, Yun Lu +6 more
2014Statistical analysis and data mining8 citations
Semantic Scholar
Temporal Variation in Patterns of Comorbidities in the Medicare Population
James Sorace, M. Millman, M. Bounds, Michael Collier +4 more
2013Population health management6 citations
Semantic Scholar
A Comparison of Disease Burden Between Twins and Control Pairs in Medicare: Quantification of Heredity's Role in Human Health
James Sorace, M. Rogers, M. Millman, Daniel Rogers +4 more
2015Population health management2 citations
Semantic Scholar
Comparative Effectiveness of Cardiac Resynchronization Therapy Defibrillators Versus Standard Implantable Defibrillators in Medicare Patients.
R. Zusterzeel, D. Canos, W. E. Sanders, H. Silverman +5 more
2015American Journal of Cardiology2 citations Open access
Semantic Scholar
Abstract 15233: Cardiac Resynchronization Therapy is Associated With Increased Mortality in Right Bundle Branch Block Patients
R. Zusterzeel, D. Canos, W. E. Sanders, H. Silverman +4 more
20132 citations
Semantic Scholar
Transfusion-Related Acute Lung Injury (Trali) Occurrence Among Inpatient Medicaid Beneficiaries, Under 65 Years of Age, As Recorded By Large Administrative Databases During 2007-2010
M. Menis, R. Forshee, S. McKean, Rob Warnock +6 more
20151 citations Open access
Semantic Scholar
Comparative effectiveness research in practice: the Drug Effectiveness Review Project experience.
Jordan M Vanlare, Hui-Hsing Wong, Jonathan M. Gibbs, R. Timp +4 more
2013Journal of Comparative Effectiveness Research1 citations
Semantic Scholar
Brief Research Report Candidate Metrics for Evaluating the Impact of Prescriber Education on the Safe Use of Extended-Release/Long-Acting (ER/LA) Opioid Analgesics
Mary E. Willy, David J. Graham, J. Racoosin, Rajdeep Gill +7 more
20160 citations
Semantic Scholar
Compare Early Mortality After Aortic Valve Replacement With Mechanical Prosthetic Vs Bioprosthetic Valves Among Medicare Beneficiaries
D. Du, S. McKean, Jeffrey A. Kelman, J. Laschinger +8 more
20150 citations Open access
Semantic Scholar
Practice of Epidemiology Chart-Confirmed Guillain-Barré Syndrome After 2009 H 1 N 1 Influenza Vaccination Among the Medicare Population , 2009 – 2010
L. Polakowski, Sukhminder K. Sandhu, David Martin, Robert H. Ball +10 more
20130 citations
Semantic Scholar
Abstract 14558: Cardiac Resynchronization Therapy Defibrillators: Pre and Postmarket Experience
Naomi D. Herz, D. G. Strauss, Mary E. Ritchey, Z. Loring +6 more
20120 citations
Semantic Scholar
Abstract 15602: Left Bundle Branch Block Predicts Better Survival in Women than Men Receiving Cardiac Resynchronization Therapy: Long Term Follow-Up of 145,000 Patients
Z. Loring, Daneil A Canos, Kimberly A. Selzman, Naomi D. Herz +7 more
20120 citations
Semantic Scholar

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