Sheldon Greenfield

Summary

Affiliation: University of California
Country: USA

Publications

  1. doi request reprint Comorbidity affects the relationship between glycemic control and cardiovascular outcomes in diabetes: a cohort study
    Sheldon Greenfield
    University of California Irvine, Irvine, California, USA
    Ann Intern Med 151:854-60. 2009
  2. ncbi request reprint Heterogeneity of treatment effects: implications for guidelines, payment, and quality assessment
    Sheldon Greenfield
    Center for Health Policy Research, Department of Medicine, University of California Irvine School of Medicine, Irvine, California 92697 5800, USA
    Am J Med 120:S3-9. 2007
  3. ncbi request reprint Evaluating quality improvement
    Sheldon Greenfield
    Center for Health Policy Research, Department of Medicine, 111 Academy, Suite 220, Irvine, CA 92697, USA
    Pediatrics 120:1131-2. 2007
  4. doi request reprint Who can respond to treatment? Identifying patient characteristics related to heterogeneity of treatment effects
    Sherrie H Kaplan
    Health Policy Research Institute, Department of Medicine, University of California, Irvine, CA 92697, USA
    Med Care 48:S9-16. 2010
  5. doi request reprint Consideration of comorbidity in risk stratification prior to prostate biopsy
    Michael A Liss
    Department of Urology, University of California at Irvine, Irvine, California, USA
    Cancer 119:2413-8. 2013
  6. pmc Patient complexity and risk factor control among multimorbid patients with type 2 diabetes: results from the R2D2C2 study
    Shaista Malik
    Department of Medicine, Division of Cardiology, University of California, Irvine, CA, USA
    Med Care 51:180-5. 2013
  7. pmc The effects of financial pressures on adherence and glucose control among racial/ethnically diverse patients with diabetes
    Quyen Ngo-Metzger
    Division of General Internal Medicine and Primary Care and Health Policy Research Institute, University of California Irvine, CA, USA
    J Gen Intern Med 27:432-7. 2012
  8. pmc Underdiagnosed and undertreated depression among racially/ethnically diverse patients with type 2 diabetes
    Dara H Sorkin
    Division of General Internal Medicine and Primary Care and Health Policy Research Institute, University of California, Irvine, California, USA
    Diabetes Care 34:598-600. 2011
  9. doi request reprint Overtreatment of men with low-risk prostate cancer and significant comorbidity
    Timothy J Daskivich
    Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, California, USA
    Cancer 117:2058-66. 2011
  10. doi request reprint Improving the reliability of physician performance assessment: identifying the "physician effect" on quality and creating composite measures
    Sherrie H Kaplan
    Center for Health Policy Research and Department of Medicine, School of Medicine, University of California, Irvine, California 92697, USA
    Med Care 47:378-87. 2009

Research Grants

  1. Collaborative Clinical Culture and Quality of Care
    Sheldon Greenfield; Fiscal Year: 2003
  2. Reducing Diabetes Disparities Using Community Coaches
    Sheldon Greenfield; Fiscal Year: 2007

Collaborators

Detail Information

Publications32

  1. doi request reprint Comorbidity affects the relationship between glycemic control and cardiovascular outcomes in diabetes: a cohort study
    Sheldon Greenfield
    University of California Irvine, Irvine, California, USA
    Ann Intern Med 151:854-60. 2009
    ..Recent studies have shown mixed results regarding the effectiveness of intensive glucose-lowering therapy in reducing risk for cardiovascular events...
  2. ncbi request reprint Heterogeneity of treatment effects: implications for guidelines, payment, and quality assessment
    Sheldon Greenfield
    Center for Health Policy Research, Department of Medicine, University of California Irvine School of Medicine, Irvine, California 92697 5800, USA
    Am J Med 120:S3-9. 2007
    ..We also examine strategies for understanding and managing HTE in practice, to increase the usefulness of trial results...
  3. ncbi request reprint Evaluating quality improvement
    Sheldon Greenfield
    Center for Health Policy Research, Department of Medicine, 111 Academy, Suite 220, Irvine, CA 92697, USA
    Pediatrics 120:1131-2. 2007
  4. doi request reprint Who can respond to treatment? Identifying patient characteristics related to heterogeneity of treatment effects
    Sherrie H Kaplan
    Health Policy Research Institute, Department of Medicine, University of California, Irvine, CA 92697, USA
    Med Care 48:S9-16. 2010
    ..Interest in comparative effectiveness research and the rising number of negative or "small effect" trials have stimulated research into differential response to treatment among subgroups of patients...
  5. doi request reprint Consideration of comorbidity in risk stratification prior to prostate biopsy
    Michael A Liss
    Department of Urology, University of California at Irvine, Irvine, California, USA
    Cancer 119:2413-8. 2013
    ..In the current study, the authors used these assessments to determine comorbidity and prognosis before prostate biopsy and the subsequent diagnosis of prostate cancer to identify those patients least likely to benefit from treatment...
  6. pmc Patient complexity and risk factor control among multimorbid patients with type 2 diabetes: results from the R2D2C2 study
    Shaista Malik
    Department of Medicine, Division of Cardiology, University of California, Irvine, CA, USA
    Med Care 51:180-5. 2013
    ..Among patients with type 2 diabetes, it is not known whether risk factor control is better or worse for those who also have heart disease, depression, multiple other comorbidities, and associated management challenges...
  7. pmc The effects of financial pressures on adherence and glucose control among racial/ethnically diverse patients with diabetes
    Quyen Ngo-Metzger
    Division of General Internal Medicine and Primary Care and Health Policy Research Institute, University of California Irvine, CA, USA
    J Gen Intern Med 27:432-7. 2012
    ..The Affordable Care Act is designed to decrease the numbers of uninsured patients in U.S. However, even with insurance, patients who have financial hardships may have difficulty obtaining their medications because of cost issues...
  8. pmc Underdiagnosed and undertreated depression among racially/ethnically diverse patients with type 2 diabetes
    Dara H Sorkin
    Division of General Internal Medicine and Primary Care and Health Policy Research Institute, University of California, Irvine, California, USA
    Diabetes Care 34:598-600. 2011
    ..To examine racial/ethnic differences in the prevalence of depressive symptoms and in provider recognition of depression among Latino, Asian, and non-Hispanic white patients with type 2 diabetes...
  9. doi request reprint Overtreatment of men with low-risk prostate cancer and significant comorbidity
    Timothy J Daskivich
    Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, California, USA
    Cancer 117:2058-66. 2011
    ..Men with low-risk prostate cancer and significant comorbidity are susceptible to overtreatment. The authors sought to compare the impact of comorbidity and age on treatment choice in men with low-risk disease...
  10. doi request reprint Improving the reliability of physician performance assessment: identifying the "physician effect" on quality and creating composite measures
    Sherrie H Kaplan
    Center for Health Policy Research and Department of Medicine, School of Medicine, University of California, Irvine, California 92697, USA
    Med Care 47:378-87. 2009
    ..The proliferation of efforts to assess physician performance underscore the need to improve the reliability of physician-level quality measures...
  11. ncbi request reprint Regional differences in the use of sentinel lymph node biopsy for melanoma: a potential quality measure
    Karen Lane
    Department of Surgery, University of California, Irvine, Orange, California 92868, USA
    Am Surg 74:981-4. 2008
    ..S. regions. Further studies need to address the reasons for these differences and target ways to improve rates. Results suggest that SLNB may be considered as a potential quality measure...
  12. ncbi request reprint Racial variations in the choice of on-pump versus off-pump coronary artery bypass grafting
    Dana Mukamel
    Department of Medicine, Center for Health Policy Research, University of California, Irvine, CA, USA
    J Health Serv Res Policy 12:31-5. 2007
    ..To examine explanations of differences in utilization rates of a newly reintroduced technique - off-pump coronary artery bypass grafting (CABG) - between racial minorities and Whites...
  13. ncbi request reprint The Patient's role in reducing disparities
    Sherrie H Kaplan
    Center for Health Policy and Research, University of California, Irvine, Irvine, California 92697, USA
    Ann Intern Med 141:222-3. 2004
  14. ncbi request reprint Preliminary validation of a patient-based self-assessment measure of severity of illness in type 2 diabetes: results from the pilot phase of the Veterans Health Study
    Mark Linzer
    Department of Medicine, University of Wisconsin School of Medicine, Madison, WI 53705, USA
    J Ambul Care Manage 28:167-76. 2005
    ..After further testing, this case-mix measure may be suitable for controlling for severity of illness in ambulatory-based studies of diabetic patients with multiple chronic illnesses...
  15. doi request reprint Nutrition impacts the prevalence of peripheral arterial disease in the United States
    John S Lane
    Department of Surgery, University of California, Irvine, Orange, Calif, USA
    J Vasc Surg 48:897-904. 2008
    ..Little attention has been paid to the role of dietary supplementation of specific nutrients in the prevention of PAD...
  16. ncbi request reprint Assessment of prognosis with the total illness burden index for prostate cancer: aiding clinicians in treatment choice
    Mark S Litwin
    Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
    Cancer 109:1777-83. 2007
    ..The authors adapted the Total Illness Burden Index (TIBI) for use in decision-making among men with prostate cancer at the time of the visit...
  17. pmc Providing high-quality care for limited English proficient patients: the importance of language concordance and interpreter use
    Quyen Ngo-Metzger
    Division of General Internal Medicine and Primary Care and the Center for Health Policy Research, University of California, Irvine School of Medicine, Research, 111 Academy, Suite 220, Irvine, CA, USA
    J Gen Intern Med 22:324-30. 2007
    ..Provider-patient language discordance is related to worse quality care for limited English proficient (LEP) patients who speak Spanish. However, little is known about language barriers among LEP Asian-American patients...
  18. ncbi request reprint Are we ready to act on racial concordance?
    Sheldon Greenfield
    Center for Health Policy Research, University of California, Irvine, 92697 5800, USA
    J Public Health Policy 24:324-7. 2003
  19. pmc Better physician-patient relationships are associated with higher reported adherence to antiretroviral therapy in patients with HIV infection
    John Schneider
    Department of Medicine, University of Chicago, Ill, USA
    J Gen Intern Med 19:1096-103. 2004
    ..There is little evidence to support the widely accepted assertion that better physician-patient relationships result in higher rates of adherence with recommended therapies...
  20. ncbi request reprint Profiling care provided by different groups of physicians: effects of patient case-mix (bias) and physician-level clustering on quality assessment results
    Sheldon Greenfield
    Primary Care Outcomes Research Institute, Tufts University School of Medicine, M and V 1, 136 Harrison Avenue, Boston, MA 02111, USA
    Ann Intern Med 136:111-21. 2002
    ..Patient characteristics (case-mix bias) and physician-level variation (clustering) are often overlooked in profiling the quality of care provided by different groups of physicians, such as specialties...
  21. ncbi request reprint Selecting indicators for the quality of diabetes care at the health systems level in OECD countries
    Antonio Nicolucci
    Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, 66030 S Maria Imbaro CH, Italy
    Int J Qual Health Care 18:26-30. 2006
    ..In the context of the Organization for Economic Cooperation and Development (OECD) Quality Indicators Project, a set of quality indicators for diabetes care was developed, to be used for benchmarking the performance of health care systems...
  22. pmc Measuring quality of care in patients with multiple clinical conditions: summary of a conference conducted by the Society of General Internal Medicine
    Rachel M Werner
    Center for Health Equity Research and Promotion, Philadelphia VAMC, Philadelphia, PA, USA
    J Gen Intern Med 22:1206-11. 2007
    ..This research should evaluate the impact of quality measurement on these patients and expand the range of quality measures relevant to the care of clinically complex patients...
  23. ncbi request reprint Erectile dysfunction and quality of life in type 2 diabetic patients: a serious problem too often overlooked
    Giorgia De Berardis
    Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, Via Nazionale, 66030 S Maria Imbaro, Italy
    Diabetes Care 25:284-91. 2002
    ..Within the context of a large, nationwide outcomes research program in type 2 diabetes, we assess the prevalence of self-reported erectile dysfunction and evaluate its impact on quality of life...
  24. ncbi request reprint Role of organizational factors in poor blood pressure control in patients with type 2 diabetes: the QuED Study Group--quality of care and outcomes in type 2 diabetes
    Fabio Pellegrini
    Department of Clinical Pharmacology and Epidemiology, Istituto di Recherche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, Via Nazionale, 66030 S Maria Imbaro CH, Italy
    Arch Intern Med 163:473-80. 2003
    ..The aim of this study was to explore the interplay of some potential key determinants of quality of antihypertensive care, including the settings, physicians' beliefs about blood pressure (BP) control, and patient-related factors...
  25. ncbi request reprint Identifying patients with type 2 diabetes with a higher likelihood of erectile dysfunction: the role of the interaction between clinical and psychological factors
    Giorgia De Berardis
    Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, S Maria Imbaro, Italy
    J Urol 169:1422-8. 2003
    ....
  26. ncbi request reprint Quality of care and outcomes in type 2 diabetic patients: a comparison between general practice and diabetes clinics
    Giorgia De Berardis
    Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, S Maria Imbaro, Chieti, Italy
    Diabetes Care 27:398-406. 2004
    ....
  27. ncbi request reprint Are Type 2 diabetic patients offered adequate foot care? The role of physician and patient characteristics
    Giorgia De Berardis
    Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, S Maria Imbaro, CH, Italy
    J Diabetes Complications 19:319-27. 2005
    ..Patient knowledge and practices are strongly related to physicians' attitudes...
  28. ncbi request reprint Quality of diabetes care predicts the development of cardiovascular events: results of the QuED study
    Giorgia De Berardis
    Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, Via Nazionale 8 A, 66030 S Maria Imbaro CH, Italy
    Nutr Metab Cardiovasc Dis 18:57-65. 2008
    ..In the context of the QuED Study we assessed whether a quality of care summary score was able to predict the development of cardiovascular (CV) events in patients with type 2 diabetes...
  29. ncbi request reprint Creating a culture of quality: the remarkable transformation of the department of Veterans Affairs Health Care System
    Sheldon Greenfield
    Ann Intern Med 141:316-8. 2004
  30. ncbi request reprint Correlates of satisfaction for the relationship with their physician in type 2 diabetic patients
    Monica Franciosi
    Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, Via Nazionale, S Maria Imbaro, CH 66030, Italy
    Diabetes Res Clin Pract 66:277-86. 2004
    ..In deciding the best decision-making approach to adopt in individual patients, it is of primary importance to measure how the patient perceives and engages in relationships...
  31. ncbi request reprint Impact of physicians' beliefs and practices on cholesterol levels in patients with type 2 diabetes: a longitudinal assessment
    Monica Franciosi
    Department of Clinical Pharmacology and Epidemiology, Istituto di Ricerche Farmacologiche Mario Negri, Consorzio Mario Negri Sud, Santa Maria Imbaro, Italy
    Am Heart J 149:104-11. 2005
    ..The aim of this work was to explore the correlates of lipid management in patients with type 2 diabetes, including the subjective beliefs of physicians, setting of care, and patient-related factors...
  32. ncbi request reprint Longitudinal assessment of quality of life in patients with type 2 diabetes and self-reported erectile dysfunction
    Giorgia De Berardis
    Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, Italy
    Diabetes Care 28:2637-43. 2005
    ....

Research Grants5

  1. Collaborative Clinical Culture and Quality of Care
    Sheldon Greenfield; Fiscal Year: 2003
    ..The results of this study will provide insight into whether HCTs are associated with high staff morale and high quality of care. ..
  2. Reducing Diabetes Disparities Using Community Coaches
    Sheldon Greenfield; Fiscal Year: 2007
    ..If the intervention is effective and feasible, it could serve as model for improving chronic disease care in minority communities in settings with limited resources. ..