A comparison of the Charlson Comorbidity Index derived from medical record data and administrative billing data

Journal of Clinical Epidemiology

Volumn 52, Issue 2, 1999, Pages 137-142

  Kieszak, Stephanie M ^a   Flanders, W Dana ^b,c   Kosinski, Andrzej S ^b   Shipp, Clanton C ^d   Karp, Herbert ^d  

^a Kerr L White Inst Hlth Serv Res   (United States)

^b EMORY UNIVERSITY   (United States)

^c EMORY UNIVERSITY   (United States)

^d Georgia Medical Care Foundation   (United States)

Author keywords

Carotid endarterectomy; Charlson comorbidity index; Comorbidity; Risk adjustment

Indexed keywords

AGED; ARTICLE; CAROTID ENDARTERECTOMY; COMORBIDITY; COMPARATIVE STUDY; FEMALE; HOSPITAL BILLING; HOSPITAL PATIENT; HUMAN; LENGTH OF STAY; MAJOR CLINICAL STUDY; MALE; MEDICAL RECORD; MORTALITY; PREDICTION; PRIORITY JOURNAL; RISK; TREATMENT OUTCOME;

COMORBIDITY; ENDARTERECTOMY, CAROTID; FEES, MEDICAL; HOSPITAL MORTALITY; HUMANS; LENGTH OF STAY; LOGISTIC MODELS; MEDICAL RECORDS; MEDICARE; PREDICTIVE VALUE OF TESTS; SEVERITY OF ILLNESS INDEX; UNITED STATES;

EID: 0033013499     PISSN: 08954356     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0895-4356(98)00154-1     Document Type: Article

References (23)

1. Blumberg M.S. Risk adjusting health care outcomes. A methodologic review Med Care Rev. 43:1986;351-393.
2. Charlson M.E., Szatrowski T.P., Peterson J., Gold J. Validation of a combined comorbidity index. J Clin Epidemiol. 47:1994;1245-1251.
3. Feinstein A.R. The pre-therapeutic classification of co-morbidity in chronic disease. J Chronic Dis. 23:1970;455-468.
4. Greenfield S., Aronow H.U., Elashoff R.M., Watanabe D. Flaws in mortality data. The hazards of ignoring comorbid disease JAMA. 260:1988;2253-2255.
5. Iezzoni L.I. Risk adjustment for medical effectiveness research. An overview of conceptual and methodological considerations J Invest Med. 43:1995;136-150.
6. Jencks S.F., Daley J., Draper D., Thomas N., Lenhart G., Walker J. Interpreting hospital mortality data. The role of clinical risk adjustment JAMA. 260:1988;3611-3616.
7. Khuri S.F., Daley J., Henderson W., Barbour G., Lowry P., Irvin G.et al. The National Veterans Administration Surgical Risk Study. Risk adjustment for the comparative assessment of the quality of surgical care J Am Coll Surg. 180:1995;519-531.
8. Knaus W.A., Wagner D.P., Draper E.A. The value of measuring severity of disease in clinical research of acutely ill patients. J Chronic Dis. 37:1984;455-463.
9. Krischer JP. Indexes of severity: Underlying concepts. Health Serv Res 1976; 11: 143-157.
10. Romano P.S., Roos L.L., Jollis J.G. Adapting a clinical comorbidity index for use with ICD-9-CM administrative data. Differing perspectives Clin Epidemiol. 46:1993;1075-1079.
11. Rubin H.R., Wu A.W. The risk of adjustment. Med Care. 30:1992;973-975.
12. Smith D.W. Evaluating risk adjustment by partitioning variation in hospital mortality rates. Stat Med. 13:1994;1001-1013.
13. Young W.W., Kohler S., Kowalski J. PMC patient severity scale. Derivation and validation Health Serv Res. 29:1994;367-390.
14. Charlson M.E., Pompei P., Ales K.L., MacKenzie C.R. A new method of classifying prognostic comorbidity in longitudinal studies. Development and validation J Chronic Dis. 40:1987;373-383.
15. Deyo R.A., Cherkin D.C., Ciol M.A. Adapting a clinical comorbidity index for use with ICD-9-CM administrative data bases. J Clin Epidemiol. 45:1992;613-619.
16. Ghali W.A., Hall R.E., Rosen A.K., Ash A.S., Moskowitz M.A. Searching for an improved clinical comorbidity index for use with ICD-9-CM administrative data. J Clin Epidemiol. 49:1996;273-278.
17. Hannan E.L., Kilburn H., Lindsey M.L., Lewis R. Clinical versus administrative data bases for CABG surgery. Does it matter? Med Care. 30:1992;892-907.
18. McCrory D.C., Goldstein L.B., Samsa G.P., Oddone E.Z., Landsman P.B., Moore W.S.et al. Predicting complications of carotid endarterectomy. Stroke. 24:1993;1285-1291.
19. Roos L.L., Fisher E.S., Sharp S.M., Newhouse J.P., Anderson G., Bubolz T.A. Postsurgical mortality in Manitoba and New England. JAMA. 263:1990;2453-2458.
20. SAS Institute, Inc. SAS/STAT Software: Changes and enhancements through Release 6.11. SAS Institute, Inc.: Cary, NC; 1996.
21. Martin D., Austin H. Exact estimates for a rate ratio. Epidemiology. 7:1996;29-33.
22. Siegel S., Castellan N.J. Nonparametric Statistics for the Behavioral Sciences. 1988;McGraw-Hill, Inc, New York.
23. Iezzoni L.I., Shwartz M., Ash A.S., Hughes J.S., Daley J., Mackiernan Y.D. Using severity-adjusted stroke mortality rates to judge hospitals. Int J Qual Health Care. 7:1995;81-94.