Research outputs

  1. 2000
  2. Veterans affairs quality enhancement research initiative in chronic heart failure

    Ashton, C. M., Bozkurt, B., Colucci, W. B., Kiefe, C. I., Mann, D. L., Massie, B. M., Slawsky, M. T., Tierney, W. M., West, J. A., Whellan, D. J. & Wray, N., Dec 1 2000, In : Medical Care. 38, 6 SUPPL. 1

    Research output: Contribution to journalArticle

  3. A national survey of policies on disclosure of conflicts of interest in biomedical research

    Van McCrary, S., Anderson, C. B., Jakovljevic, J., Khan, T., McCullough, L. B., Wray, N. & Brody, B. A., Nov 30 2000, In : New England Journal of Medicine. 343, 22, p. 1621-1626 6 p.

    Research output: Contribution to journalReview article

  4. Clinical and socioeconomic determinants of health care use among HIV- infected patients in the Department of Veterans Affairs

    Menke, T. J., Rabeneck, L., Hartigan, P. M., Simberkoff, M. S. & Wray, N., Mar 1 2000, In : Inquiry. 37, 1, p. 61-74 14 p.

    Research output: Contribution to journalArticle

  5. A trial for comparing methods for eliciting treatment preferences from men with advanced prostate cancer: Results from the initial visit

    Souchek, J., Stacks, J. R., Brody, B., Ashton, C. M., Giesler, R. B., Byrne, M. M., Cook, K., Geraci, J. M. & Wray, N., Jan 1 2000, In : Medical Care. 38, 10, p. 1040-1050 11 p.

    Research output: Contribution to journalArticle

  6. 1999
  7. An empirical assessment of the validity of explicit and implicit process-of-care criteria for quality assessment

    Ashton, C. M., Kuykendall, D. H., Johnson, M. L. & Wray, N., Aug 1 1999, In : Medical Care. 37, 8, p. 798-808 11 p.

    Research output: Contribution to journalArticle

  8. How good are US studies of HIV costs of care?

    Rabeneck, L., Menke, T. & Wray, N., Aug 1 1999, In : Medical Care. 37, 8, p. 748-759 12 p.

    Research output: Contribution to journalArticle

  9. The hospital multistay rate as an indicator of quality of care

    Wray, N., Petersen, N. J., Souchek, J., Ashton, C. M., Hollingsworth, J. C. & Geraci, J. M., Aug 1 1999, In : Health Services Research. 34, 3, p. 777-790 14 p.

    Research output: Contribution to journalArticle

  10. Assessing the performance of utility techniques in the absence of a gold standard

    Giesler, R. B., Ashton, C. M., Brody, B., Byrne, M. M., Cook, K., Geraci, J. M., Hanita, M., Souchek, J. & Wray, N. P., Jun 1 1999, In : Medical Care. 37, 6, p. 580-588 9 p.

    Research output: Contribution to journalArticle

  11. Evaluation of a multidimensional measure of dyspepsia-related health for use in a randomized clinical trial

    Cook, K. F., Rabeneck, L., Campbell, C. J. M. & Wray, N., May 1 1999, In : Journal of Clinical Epidemiology. 52, 5, p. 381-392 12 p.

    Research output: Contribution to journalArticle

  12. Cost implications of regionalizing open heart surgery units

    Menke, T. J. & Wray, N., Mar 1 1999, In : Inquiry. 36, 1, p. 57-67 11 p.

    Research output: Contribution to journalArticle

  13. Evaluation of the VA mobile clinics demonstration project

    Wray, N., Weiss, T. W., Menke, T. J., Gregor, P. J., Ashton, C. M., Christian, C. E. & Hollingsworth, J. C., Mar 1 1999, In : Journal of Healthcare Management. 44, 2, p. 133-147 15 p.

    Research output: Contribution to journalArticle

  14. The association of quality of care and occurrence of in-hospital, treatment-related complications

    Geraci, J. M., Ashton, C. M., Kuykendall, D. H., Johnson, M. L., Souchek, J., Del Junco, D. & Wray, N., Feb 1 1999, In : Medical Care. 37, 2, p. 140-148 9 p.

    Research output: Contribution to journalArticle

  15. Geographic variations in utilization rates in veterans affairs hospitals and clinics

    Ashton, C. M., Petersen, N. J., Souchek, J., Menke, T. J., Hong-Jen, Y., Pietz, K., Eigenbrodt, M. L., Barbour, G., Kizer, K. W. & Wray, N., Jan 7 1999, In : New England Journal of Medicine. 340, 1, p. 32-39 8 p.

    Research output: Contribution to journalArticle

  16. Rates of health services utilization and survival in patients with heart failure in the department of veterans affairs medical care system

    Ashton, C. M., Petersen, N. J., Souchek, J., Menke, T. J., Pietz, K., Yu, H. J. & Wray, N., Jan 1 1999, In : American Journal of Medical Quality. 14, 1, p. 55-63 9 p.

    Research output: Contribution to journalArticle

  17. The health status of veterans using mobile clinics in rural areas

    Wray, N. P., Weiss, T. W., Christian, C. E., Menke, T., Ashton, C. M. & Hollingsworth, J. C., Jan 1 1999, In : Journal of Health Care for the Poor and Underserved. 10, 3, p. 338-348 11 p.

    Research output: Contribution to journalArticle

  18. Use of a cost accounting system to evaluate costs of a VA special program

    Menke, T. J. & Wray, N., Jan 1 1999, In : Medical Care. 37, 4 SUPPL. 2

    Research output: Contribution to journalReview article

  19. 1998
  20. Managing dyspepsia: What do we know and what do we need to know?

    Rabeneck, L., Wray, N. & Graham, D. Y., Jun 1 1998, In : American Journal of Gastroenterology. 93, 6, p. 920-924 5 p.

    Research output: Contribution to journalArticle

  21. Dyspepsia: How should we measure it?

    Kuykendall, D. H., Rabeneck, L., Campbell, C. J. M. & Wray, N., Feb 1 1998, In : Journal of Clinical Epidemiology. 51, 2, p. 99-106 8 p.

    Research output: Contribution to journalArticle

  22. The Veterans Affairs Medical Care System Hospital and Clinic Utilization Statistics for 1994

    Ashton, C. M., Petersen, N. J., Wray, N. & Yu, H. J., Jan 1 1998, In : Medical Care. 36, 6, p. 793-803 11 p.

    Research output: Contribution to journalArticle

  23. 1997
  24. Predicting outcomes in HIV-infected veterans: II. Survival after AIDS

    Rabeneck, L., Hartigan, P. M., Huang, I. W., Souchek, J. & Wray, N., Nov 1 1997, In : Journal of Clinical Epidemiology. 50, 11, p. 1241-1248 8 p.

    Research output: Contribution to journalArticle

  25. Predicting outcomes in HIV-infected veterans: I. Progression to AIDS

    Rabeneck, L., Hartigan, P. M., Huang, I. W., Souchek, J. & Wray, N., Nov 1 1997, In : Journal of Clinical Epidemiology. 50, 11, p. 1231-1240 10 p.

    Research output: Contribution to journalArticle

  26. Dimensions of quality of life expressed by men treated for metastatic prostate cancer

    Clark, J. A., Wray, N., Brody, B., Ashton, C. M., Giesler, B. & Watkins, H., Oct 1 1997, In : Social Science and Medicine. 45, 8, p. 1299-1309 11 p.

    Research output: Contribution to journalArticle

  27. Ethically justified, clinically comprehensive guidelines for percutaneous endoscopic gastrostomy tube placement

    Rabeneck, L., McCullough, L. B. & Wray, N., Feb 15 1997, In : Lancet. 349, 9050, p. 496-498 3 p.

    Research output: Contribution to journalComment/debate

  28. Application of an Analytic Model to Early Readmission Rates Within the Department of Veterans Affairs

    Wray, N., Peterson, N. J., Souchek, J., Ashton, C. M. & Hollingsworth, J. C., Jan 1 1997, In : Medical Care. 35, 8, p. 768-781 14 p.

    Research output: Contribution to journalArticle

  29. Case-Mix Adjustment Using Administrative Databases: A Paradigm to Guide Future Research

    Wray, N., Hollingsworth, J. C., Petersen, N. J. & Ashton, C. M., Jan 1 1997, In : Medical Care Research and Review. 54, 3, p. 326-356 31 p.

    Research output: Contribution to journalReview article

  30. The Association between the Quality of Inpatient Care and Early Readmission a Meta-Analysis of the Evidence

    Ashton, C. M., Del Junco, D. J., Souchek, J., Wray, N. & Mansyur, C. L., Jan 1 1997, In : Medical Care. 35, 10, p. 1044-1059 16 p.

    Research output: Contribution to journalArticle

  31. 1996
  32. Predicting progression to AIDS: An evaluation of two approaches

    Rabeneck, L., Hartigan, P. M., Huang, I. W., Souchek, J. & Wray, N., Dec 14 1996, In : Journal of General Internal Medicine. 11, 10, p. 622-624 3 p.

    Research output: Contribution to journalArticle

  33. A conceptual framework for the study of early readmission as an indicator of quality of care

    Ashton, C. M. & Wray, N., Jan 1 1996, In : Social Science and Medicine. 43, 11, p. 1533-1541 9 p.

    Research output: Contribution to journalArticle

  34. Arthroscopic treatment of osteoarthritis of the knee: A prospective, randomized, placebo-controlled trial. Results of a pilot study

    Moseley, J. B., Wray, N., Kuykendall, D., Willis, K. & Landon, G., Jan 1 1996, In : American Journal of Sports Medicine. 24, 1, p. 28-34 7 p.

    Research output: Contribution to journalArticle

  35. Long-term follow-up of symptomatic HIV-infected patients originally randomized to early versus later zidovudine treatment: Report of a Veterans Affairs Cooperative Study

    Simberkoff, M. S., Hartigan, P. M., Hamilton, J. D., Day, P. L., Diamond, G. R., Dickinson, G. M., Drusano, G. L., Egorin, M. J., Lance George, W., Gordin, F. M., Hawkes, C. A., Jensen, P. C., Klimas, N. G., Labriola, A. M., Lahart, C. J., O'Brien, W. A., Oster, C. N., Weinhold, K. J., Wray, N. P. & Zolla Pazner, S. B., Jan 1 1996, In : Journal of Acquired Immune Deficiency Syndromes and Human Retrovirology. 11, 2, p. 142-150 9 p.

    Research output: Contribution to journalArticle

  36. Long-term outcomes of patients receiving percutaneous endoscopic gastrostomy tubes

    Rabeneck, L., Wray, N. & Petersen, N. J., Jan 1 1996, In : Journal of General Internal Medicine. 11, 5, p. 287-293 7 p.

    Research output: Contribution to journalArticle

  37. Preoperative assessment of patients with coronary disease [3]

    Ashton, C. M., Wray, N., Darbar, D., Gillespie, N., Mangano, D. T. & Goldman, L., Jan 1 1996, In : New England Journal of Medicine. 334, 16, p. 1064-1065 2 p.

    Research output: Contribution to journalLetter

  38. 1995
  39. The association between the quality of inpatient care and early readmission

    Ashton, C. M., Kuykendall, D. H., Johnson, M. L., Wray, N. & Wu, L., Mar 15 1995, In : Annals of Internal Medicine. 122, 6, p. 415-421 7 p.

    Research output: Contribution to journalArticle

  40. Outpatient surgical utilization in veterans affairs hospitals, 1981-1989

    Edelman, D., Weiss, T. W., Ashton, C. M. & Wray, N., Jan 1 1995, In : Medical Care. 33, 3, p. 246-255 10 p.

    Research output: Contribution to journalArticle

  41. Selecting disease-outcome pairs for monitoring the quality of hospital care

    Wray, N., Ashton, C. M., Kuykendall, D. H., Petersen, N. J., Souchek, J. & Hollingsworth, J. C., Jan 1 1995, In : Medical Care. 33, 1, p. 75-89 15 p.

    Research output: Contribution to journalArticle

  42. Using administrative databases to evaluate the quality of medical care: A conceptual framework

    Wray, N., Ashton, C. M., Kuykendall, D. H. & Hollingsworth, J. C., Jan 1 1995, In : Social Science and Medicine. 40, 12, p. 1707-1715 9 p.

    Research output: Contribution to journalArticle

  43. Work rounds data collection

    Richardson, W. S., Smith, L. G., Ashton, C. M. & Wray, N., Jan 1 1995, In : Journal of General Internal Medicine. 10, 2, p. 115-116 2 p.

    Research output: Contribution to journalLetter

  44. 1994
  45. The association between residents' work-rounds styles and the process and outcome of medical care

    Ashton, C. M., Wray, N., Friedland, J. A., Zollo, A. J. & Scheurich, J. W., Apr 1 1994, In : Journal of General Internal Medicine. 9, 4, p. 208-212 5 p.

    Research output: Contribution to journalArticle

  46. A method of developing and weighting explicit process of care criteria for quality assessment

    Ashton, C. M., Kuykendall, D. H., Johnson, M. L., Chuan Wun, C., Wray, N., Jean Carr, M., Slater, C. H., Louis, W. & Bush, G. R. W., Jan 1 1994, In : Medical Care. 32, 8, p. 755-770 16 p.

    Research output: Contribution to journalArticle

  47. Changes in VA hospital use 1980-1990

    Ashton, C. M., Weiss, T. W., Petersen, N. J., Wray, N., Menke, T. J. & Sickles, R. C., Jan 1 1994, In : Medical Care. 32, 5, p. 447-458 12 p.

    Research output: Contribution to journalArticle

  48. Delayed-type hypersensitivity skin tests are an independent predictor of human immunodeficiency virus disease progression

    The Department of Veterans Affairs Cooperative Study Group, Jan 1 1994, In : Journal of Infectious Diseases. 169, 4, p. 893-897 5 p.

    Research output: Contribution to journalArticle

  49. Misclassification of patients can affect group quality of care scores

    Ashton, C. M., Kuykendall, D. H. & Wray, N., Jan 1 1994, In : Medical Care. 32, 4, 1 p.

    Research output: Contribution to journalLetter

  50. 1993
  51. Predicting the outcomes of human immunodeficiency virus infection: How well are we doing?

    Rabeneck, L. & Wray, N., Dec 1 1993, In : Archives of Internal Medicine. 153, 24, p. 2749-2755 7 p.

    Research output: Contribution to journalReview article

  52. The incidence of perioperative myocardial infarction in men undergoing noncardiac surgery

    Ashton, C. M., Petersen, N. J., Wray, N., Kiefe, C. I., Dunn, J. K., Wu, L. & Thomas, J. A. M., Apr 1 1993, In : Annals of Internal Medicine. 118, 7, p. 504-510 7 p.

    Research output: Contribution to journalArticle

  53. A simple clinical staging system that predicts progression to AIDS using CD4 count, oral thrush, and night sweats

    Rabeneck, L., Crane, M. M., Risser, J. M. H., Lacke, C. E. & Wray, N., Jan 1 1993, In : Journal of General Internal Medicine. 8, 1, p. 5-9 5 p.

    Research output: Contribution to journalArticle

  54. Effect of HIV transmission category and CD4 count on the occurrence of diarrhea in HIV-infected patients

    Rabeneck, L., Crane, M. M., Risser, J. M. H., Lacke, C. E. & Wray, N., Jan 1 1993, In : American Journal of Gastroenterology. 88, 10, p. 1720-1723 4 p.

    Research output: Contribution to journalArticle

  55. Forecasting areawide hospital utilization: A comparison of five univariate time series techniques

    Weiss, T. W., Ashton, C. M. & Wray, N., Jan 1 1993, In : Health Services Management Research. 6, 3, p. 178-190 13 p.

    Research output: Contribution to journalArticle

  56. On the clinically important difference [1]

    Ashton, C. M., Wray, N., Cook, D. J. & Sackett, D. L., Jan 1 1993, In : Annals of Internal Medicine. 118, SUPPL. 3, 1 p.

    Research output: Contribution to journalLetter

  57. Variation in hemodialysis patient compliance according to demographic characteristics

    Bame, S. I., Petersen, N. & Wray, N., Jan 1 1993, In : Social Science and Medicine. 37, 8, p. 1035-1043 9 p.

    Research output: Contribution to journalArticle

  58. 1992
  59. A controlled trial of early versus late treatment with zidovudine in symptomatic human immunodeficiency virus infection

    Drusano, G. L., Egorin, M. J., Hamilton, J. D., Lahart, C. J., Wray, N., George, W. L., O'brien, W. A., Dickinson, G. M., Klimas, N. G., Simberkoff, M. S., Diamond, G. R., Zolla-Pazner, S. B., Jensen, P. C., Gordin, F. M., Labriola, A. M., Hartigan, P. M., Day, P. L., Weinhold, K. J., Hawkes, C. A. & Oster, C. N., Feb 13 1992, In : New England Journal of Medicine. 326, 7, p. 437-443 7 p.

    Research output: Contribution to journalArticle

ID: 2285262