A Ash

Summary

Affiliation: Boston University
Country: USA

Publications

  1. pmc Healthcare costs and utilization for Medicare beneficiaries with Alzheimer's
    Yang Zhao
    Eli Lilly and Company, Indianapolis, IN, USA
    BMC Health Serv Res 8:108. 2008
  2. ncbi R2: a useful measure of model performance when predicting a dichotomous outcome
    A Ash
    Boston University School of Medicine, MA 02118, USA
    Stat Med 18:375-84. 1999
  3. ncbi Using diagnoses to describe populations and predict costs
    A S Ash
    Boston Medical Center, Mass, USA
    Health Care Financ Rev 21:7-28. 2000
  4. ncbi Does diagnostic information contribute to predicting functional decline in long-term care?
    A Rosen
    Center for Health Quality, Outcomes and Economic Research, Bedford VAMC, Massachusetts 01730, USA
    Med Care 38:647-59. 2000
  5. ncbi Risk adjustment for measuring health outcomes: an application in VA long-term care
    A Rosen
    Center for Health Quality, Outcomes and Economic Research, Bedford VAMC 152, 200 Springs Rd, Bedford, Mass 01730, USA
    Am J Med Qual 16:118-27. 2001
  6. ncbi Clinical practice guidelines in the nursing home
    D R Berlowitz
    Center for Health Quality, Outcomes, and Economic Research, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, Mass, USA
    Am J Med Qual 16:189-95. 2001
  7. doi Patient characteristics associated with oral anticoagulation control: results of the Veterans AffaiRs Study to Improve Anticoagulation (VARIA)
    A J Rose
    Center for Health Quality, Outcomes, and Economic Research, Bedford VA Medical Center, MA 01730, USA
    J Thromb Haemost 8:2182-91. 2010
  8. ncbi Functional status outcomes for assessment of quality in long-term care
    A K Rosen
    Center for Health Quality, Outcomes and Economic Research, Bedford VAMC, MA 01730, USA
    Int J Qual Health Care 11:37-46. 1999
  9. ncbi Influence of age on Medicare expenditures and medical care in the last year of life
    N G Levinsky
    Boston University Medical Center, 715 Albany St, Boston, MA 02118, USA
    JAMA 286:1349-55. 2001
  10. pmc Finding future high-cost cases: comparing prior cost versus diagnosis-based methods
    A S Ash
    Department of General Internal Medicine, Boston University, MA 02118, USA
    Health Serv Res 36:194-206. 2001

Detail Information

Publications16

  1. pmc Healthcare costs and utilization for Medicare beneficiaries with Alzheimer's
    Yang Zhao
    Eli Lilly and Company, Indianapolis, IN, USA
    BMC Health Serv Res 8:108. 2008
    ..This study uses a US administrative claims database to evaluate the effect of AD on direct healthcare costs and utilization, and to identify the most common reasons for AD patients' emergency room (ER) visits and inpatient admissions...
  2. ncbi R2: a useful measure of model performance when predicting a dichotomous outcome
    A Ash
    Boston University School of Medicine, MA 02118, USA
    Stat Med 18:375-84. 1999
    ....
  3. ncbi Using diagnoses to describe populations and predict costs
    A S Ash
    Boston Medical Center, Mass, USA
    Health Care Financ Rev 21:7-28. 2000
    ..We describe the logic, structure, coefficients and performance of DCG/HCC models, as developed and validated on three important data bases (privately insured, Medicaid, and Medicare) with more than 1 million people each...
  4. ncbi Does diagnostic information contribute to predicting functional decline in long-term care?
    A Rosen
    Center for Health Quality, Outcomes and Economic Research, Bedford VAMC, Massachusetts 01730, USA
    Med Care 38:647-59. 2000
    ..Compared with the acute-care setting, use of risk-adjusted outcomes in long-term care is relatively new. With the recent development of administrative databases in long-term care, such uses are likely to increase...
  5. ncbi Risk adjustment for measuring health outcomes: an application in VA long-term care
    A Rosen
    Center for Health Quality, Outcomes and Economic Research, Bedford VAMC 152, 200 Springs Rd, Bedford, Mass 01730, USA
    Am J Med Qual 16:118-27. 2001
    ..We conclude that judgments of facility performance depend on whether risk-adjusted or unadjusted decline rates are used. Valid risk adjustment models are therefore necessary when comparing facilities on outcomes...
  6. ncbi Clinical practice guidelines in the nursing home
    D R Berlowitz
    Center for Health Quality, Outcomes, and Economic Research, Edith Nourse Rogers Memorial Veterans Hospital, Bedford, Mass, USA
    Am J Med Qual 16:189-95. 2001
    ..We conclude that staff at VA nursing homes are familiar with guidelines. Guideline adoption at individual nursing homes, however, is not a systematic process involving the entire staff...
  7. doi Patient characteristics associated with oral anticoagulation control: results of the Veterans AffaiRs Study to Improve Anticoagulation (VARIA)
    A J Rose
    Center for Health Quality, Outcomes, and Economic Research, Bedford VA Medical Center, MA 01730, USA
    J Thromb Haemost 8:2182-91. 2010
    ..In patients receiving oral anticoagulation, improved control can reduce adverse outcomes such as stroke and major hemorrhage. However, little is known about patient-level predictors of anticoagulation control...
  8. ncbi Functional status outcomes for assessment of quality in long-term care
    A K Rosen
    Center for Health Quality, Outcomes and Economic Research, Bedford VAMC, MA 01730, USA
    Int J Qual Health Care 11:37-46. 1999
    ..We examined whether different definitions of decline in functional status affect judgments of quality of care provided in Department of Veterans Affairs (VA) long-term care facilities...
  9. ncbi Influence of age on Medicare expenditures and medical care in the last year of life
    N G Levinsky
    Boston University Medical Center, 715 Albany St, Boston, MA 02118, USA
    JAMA 286:1349-55. 2001
    ..Expenditures for Medicare beneficiaries in the last year of life decrease with increasing age. The cause of this phenomenon is uncertain...
  10. pmc Finding future high-cost cases: comparing prior cost versus diagnosis-based methods
    A S Ash
    Department of General Internal Medicine, Boston University, MA 02118, USA
    Health Serv Res 36:194-206. 2001
    ..Combined cost and diagnostic data are even more powerful and more operation ally useful, especially because the diagnostic information identifies the medical problems that may be managed to achieve better out comes and lower costs...
  11. ncbi Deriving a risk-adjustment model for pressure ulcer development using the Minimum Data Set
    D R Berlowitz
    Sections of General Internal Medicine and Geriatrics, Boston Medical Center, Boston, Massachusetts, USA
    J Am Geriatr Soc 49:866-71. 2001
    ..73). CONCLUSION: A clinically credible risk-adjustment model with good performance properties can be developed using the MDS. This model may be useful in profiling nursing homes on their rate of pressure ulcer development...
  12. ncbi Evaluation of a risk-adjustment model for pressure ulcer development using the Minimum Data Set
    D R Berlowitz
    Sections of General Internal Medicine and Geriatrics, Boston Medical Center, Boston, Massachusetts, USA
    J Am Geriatr Soc 49:872-6. 2001
    ..Nursing homes differ significantly in their expected rates of pressure ulcer development. Outlier identification also differs depending on whether unadjusted or risk-adjusted performance is evaluated...
  13. ncbi Emergency contraception: prescribing practices of general internists compared with other primary care physicians
    C H Chuang
    Section of General Internal Medicine, Boston University Medical Center, 720 Harrison Avenue, Suite 1108, Boston, MA 02118, USA
    Contraception 69:43-5. 2004
    ..Efforts to increase awareness and knowledge of EC should be aimed at general internists since they provide primary care for many reproductive age women...
  14. pmc Intensive care unit use and mortality in the elderly
    W Yu
    Health Care Research Unit, Section of General Internal Medicine, Evans Department of Medicine, Boston Medical Center, Boston, Mass; Boston University School of Medicine, Boston, MA 02118, USA
    J Gen Intern Med 15:97-102. 2000
    ..Diagnostic mix importantly influenced ICU use by age. The great majority of the elderly, including those 85 years and older and those receiving the most expensive ICU care, survived at least 90 days...
  15. ncbi Evaluation of complication rates after coronary artery bypass surgery using administrative data
    W A Ghali
    Health Care Research Unit, Evans Department of Medicine, Boston Medical Center, MA, USA
    Methods Inf Med 37:192-200. 1998
    ....
  16. ncbi Variations in the management of acute myocardial infarction. Importance of clinical measures of disease severity
    W Du
    Health Care Research Unit, Boston University School of Medicine, Mass, USA
    J Gen Intern Med 11:334-41. 1996
    ..The greater use of resources for patients in Wisconsin is at least partially explained by differences in clinical characteristics that are not presently captured in administrative data...