• 1
    Public Health Service, US Department of Health and Human Services. International Classification of Diseases, Ninth Revision, Clinical Modification, Washington, DC: US Government Printing Office; 1980. Publication (PHS) 80-1260:366–7.
  • 2
    Laine C. Coming to grips with large databases. Ann Intern Med. 1997;127:645 7.
  • 3
    Roper WL, Winkenwerder W, Hackbarth GW, Krakauer H. Effectiveness in health care: an initiative to evaluate and improve medical practice. N Engl J Med. 1988;319:1197 1202.
  • 4
    Tierney WM, Overhage JM, McDonald DJ. Toward electronic medical records that improve care. Ann Intern Med. 1995;122:725 6.
  • 5
    Lohr KN. Use of insurance claims data in measuring quality of care. Int J Technol Assess Health Care. 1990;6:262 71.
  • 6
    Fine MJ, Auble TE, Yealy DM, et al. A prediction rule to identify low-risk patients with community-acquired pneumonia. N Engl J Med. 1997;336:243 50.
  • 7
    Simborg DW. DRG creep: a new hospital-acquired disease. N Engl J Med. 1981;304:1602 4.
  • 8
    Jollis JG, Ancukiewicz M, DeLong ER, Pryor DB, Muhlbaier LH, Mark DB. Discordance of databases designed for claims payment versus information systems: implications for outcomes research. Ann Intern Med. 1993;119:844 50.
  • 9
    Assaf AR, Lapane KL, McKenney JL, Carleton RA. Possible influence of the prospective payment system on the assignment of discharge diagnoses for coronary heart disease. N Engl J Med. 1993;329:931 5.
  • 10
    Roos LL, Roos NP, Cageorge SM, Nicol JP. How good are the data? Reliability of one health care data bank. Med Care. 1982;20:266 76.
  • 11
    Iezzoni L. Using administrative diagnostic data to assess the quality of hospital care: pitfalls and potential of ICD-9-CM. Int J Technol Assess Health Care. 1990;6:272 81.
  • 12
    Dans P. Looking for answers in all the wrong places. Ann Intern Med. 1993;119:855 6.
  • 13
    Romano PS & Mark DH. Bias in the coding of hospital discharge data and its implications for quality assessment. Med Care. 1994; 32:81 90.
  • 14
    Demlo LK, Campbell PM, Brown SS. Reliability of information abstracted from patient's medical records. Med Care. 1978;16: 995 1005.
  • 15
    Fisher ES, Whaley FS, Krushat WM, et al. The accuracy of Medicare's hospital claims data: progress has been made, but problems remain. Am J Public Health. 1992;82:243 8.
  • 16
    Iezzoni LI, Burnside S, Sickles L, et al. Coding of acute myocardial infarction: clinical and policy implications. Ann Intern Med. 1988; 109:745 51.
  • 17
    Schiff GD & Yaacoub AS. The diagnostic coding of myocardial infarction. Ann Intern Med. 1988;109:745 51. Letter.
  • 18
    Daley J, Jencks SF, Draper D, et al. Predicting hospital-associated mortality for Medicare patients: a method for patients with stroke, pneumonia, acute myocardial infarction, and congestive heart failure. JAMA. 1988;260:3617 24.
  • 19
    Kennedy GT, Stern MP, Crawford MH. Miscoding of hospital discharges as acute myocardial infarction: implications for surveillance programs aimed at elucidating trends in coronary artery disease. Am J Cardiol. 1984;53:1000 2.
  • 20
    Reznik RB, Goldstein GB, Ring I, Berry G. The determination of the incidence of acute myocardial infarction from hospital morbidity records. J Chronic Dis. 1984;9/10:733 42.
  • 21
    Nova Scotia–Saskatchewan Cardiovascular Epidemiology Group. Estimation of the incidence of acute myocardial infarction using record linkage: a feasibility study in Nova Scotia and Saskatchewan. Can J Public Health. 1989;80:412 7.
  • 22
    Van Walraven C, Wang B, Ugnat AM, Naylor CD. False-positive coding for acute myocardial infarction on hospital discharge records: chart audit results from a tertiary centre. Can J Cardiol. 1990;6:383 6.
  • 23
    Wright SM, Daley J, Peterson ED, Thibault GE. Outcome of acute myocardial infarction in the Department of Veterans Affairs: does regionalization of health care work? Med Care. 1997;35:128 41.
  • 24
    Jencks SF. HCFA's Health Care Quality Improvement Program and the Cooperative Cardiovascular Project. Ann Thorac Surg. 1994;58:1858 62.
  • 25
    Ellerbeck EF, Jencks SR, Randford MJ, et al. Quality of care for Medicare patients with acute myocardial infarction: report on a four state pilot of the Cooperative Cardiovascular Project. JAMA. 1995;273:1509 14.
  • 26
    Hunter-Young NL, Hamann C, Cagan M, Daley J, Thibault GE. Validity and reliability of coding in the Veterans Health Administration Patient Treatment File for veterans with acute myocardial infarctions. Abstract presented at the VA HSR&D annual meeting, April 1994.