Development and validation of a risk-adjustment tool in acute asthma

Health Services Research

Volumn 44, Issue 5 PART 1, 2009, Pages 1701-1717

  Tsai, Chu Lin ^a   Clark, Sunday ^b   Sullivan, Ashley F ^a   Camargo Jr , Carlos A ^a  

^a MASSACHUSETTS GENERAL HOSPITAL   (United States)

^b UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE   (United States)

Author keywords

Asthma; Emergency department; Hospital admission; Profiling; Risk adjustment

Indexed keywords

BETA ADRENERGIC RECEPTOR STIMULATING AGENT;

ADULT; AGED; AREA UNDER THE CURVE; ARTICLE; ASTHMA; BREATHING RATE; COHORT ANALYSIS; CONTROLLED STUDY; EMERGENCY WARD; EXPIRATORY FLOW; FEMALE; HEALTH CARE PERSONNEL; HOSPITAL ADMISSION; HUMAN; MAJOR CLINICAL STUDY; MALE; MEDICAL RECORD REVIEW; PROSPECTIVE STUDY; RETROSPECTIVE STUDY; RISK ASSESSMENT; SMOKING; VALIDATION STUDY;

ACUTE DISEASE; ADOLESCENT; ADULT; AGE FACTORS; ANTI-ASTHMATIC AGENTS; ASTHMA; COHORT STUDIES; DRUG UTILIZATION; FEMALE; HUMANS; MALE; MIDDLE AGED; PATIENT ADMISSION; REPRODUCIBILITY OF RESULTS; RESPIRATORY FUNCTION TESTS; RETROSPECTIVE STUDIES; RISK ADJUSTMENT; SEX FACTORS; SMOKING; YOUNG ADULT;

EID: 69749096872     PISSN: 00179124     EISSN: 14756773     Source Type: Journal    
DOI: 10.1111/j.1475-6773.2009.00998.x     Document Type: Article

References (40)

1. Ansari, Z., M. M. Haby, T. Henderson, F. Cicuttini M. J. Ackland. 2003 Trends and Geographic Variations in Hospital Admissions for Asthma in Victoria. Opportunities for Targeted Interventions Australian Family Physician 32 (4) : 286 288.
2. Banerji, A., S. Clark, M. Afilalo, M. P. Blanda, R. K. Cydulka C. A. Camargo, Jr. 2006 Prospective Multicenter Study of Acute Asthma in Younger Versus Older Adults Presenting to the Emergency Department Journal of American Geriatrics Society 54 (1) : 48 55.
3. Blumenthal, D., J. S. Weissman, M. Wachterman, E. Weil, R. S. Stafford, J. M. Perrin, T. G. Ferris, K. Kuhlthau, R. Kaushal L. I. Iezzoni. 2005 The Who, What, and Why of Risk Adjustment: A Technology on the Cusp of Adoption Journal of Health Politics, Policy and Law 30 (3) : 453 473.
4. Cham, G. W., W. P. Tan, A. Earnest C. H. Soh. 2002 Clinical Predictors of Acute Respiratory Acidosis during Exacerbation of Asthma and Chronic Obstructive Pulmonary Disease European Journal of Emergency Medicine 9 (3) : 225 232.
5. Chamberlain, J. M., K. M. Patel, M. M. Pollack, A. Brayer, C. G. Macias, P. Okada, J. E. Schunk Collaborative Research Committee of the Emergency Medicine Section of the American Academy of Pediatrics. 2004 Recalibration of the Pediatric Risk of Admission Score Using a Multi-Institutional Sample Annals of Emergency Medicine 43 (4) : 461 468.
6. DeLong, E. R., E. D. Peterson, D. M. DeLong, L. H. Muhlbaier, S. Hackett D. B. Mark. 1997 Comparing Risk-Adjustment Methods for Provider Profiling Statistics in Medicine 16 (23) : 2645 2664.
7. Emerman, C. L., P. G. Woodruff, R. K. Cydulka, M. A. Gibbs, C. V. Pollack, Jr. C. A. Camargo, Jr. 1999 Prospective Multicenter Study of Relapse Following Treatment for Acute Asthma Among Adults Presenting to the Emergency Department. MARC Investigators. Multicenter Asthma Research Collaboration Chest 115 (4) : 919 927.
8. Gorelick, M. H., E. A. Alessandrini, K. Cronan J. Shults. 2007 Revised Pediatric Emergency Assessment Tool (RePEAT): A Severity Index for Pediatric Emergency Care Academic Emergency Medicine 14 (4) : 316 323.
9. Gorelick, M. H., M. W. Stevens, T. R. Schultz P. V. Scribano. 2004 Performance of a Novel Clinical Score, the Pediatric Asthma Severity Score (PASS), in the Evaluation of Acute Asthma Academic Emergency Medicine 11 (1) : 10 8.
10. Hall, B. L., M. Hirbe, B. Waterman, S. Boslaugh W. C. Danagan. 2007 Comparison of Mortality Risk Adjustment Using a Clinical Data Algorithm (American College of Surgeons National Surgical Quality Improvement Program) and an Administrative Data algorithm (Solucient) at the Case Level Within a Single Institution Journal of the American College of Surgeons 205 (6) : 767 777.
11. Harrell, F. E. Jr., K. L. Lee D. B. Mark. 1996 Multivariable Prognostic Models: Issues in Developing Models, Evaluating Assumptions and Adequacy, and Measuring and Reducing Errors Statistics in Medicine 15 (4) : 361 387.
12. Hosmer, D. W. S. Lemeshow. 2000. Applied Logistic Regression. 2d Edition. New York : Wiley.
13. Iezzoni, L. I., J. Z. Ayanian, D. W. Bates H. R. Burstin. 1998 Paying More Fairly for Medicare Capitated Care New England Journal of Medicine 339 (26) : 1933 1938.
14. Ivanov, J., J. V. Tu C. D. Naylor. 1999 Ready-Made, Recalibrated, or Remodeled? Issues in the Use of Risk Indexes for Assessing Mortality after Coronary Artery Bypass Graft Surgery Circulation 99 (16) : 2098 2104.
15. Kelly, A. M., D. Kerr C. Powell. 2004 Is Severity Assessment after One Hour of Treatment Better for Predicting the Need for Admission in Acute Asthma? Respiratory Medicine 98 (8) : 777 781.
16. Kelly, A. M., C. Powell D. Kerr. 2002 Patients with a Longer Duration of Symptoms of Acute Asthma Are More Likely to Require Admission to Hospital Emergency Medicine (Fremantle) 14 (2) : 142 145.
17. Krumholz, H. M., R. G. Brindis, J. E. Brush, D. J. Cohen, A. J. Epstein, K. Furie, G. Howard, E. D. Peterson, S. S. Rathore, S. C. Smith, Jr., J. A. Spertus, Y. Wang S. L. Normand. 2006a Standards for Statistical Models Used for Public Reporting of Health Outcomes: An American Heart Association Scientific Statement from the Quality of Care and Outcomes Research Interdisciplinary Writing Group: Cosponsored by the Council on Epidemiology and Prevention and the Stroke Council. Endorsed by the American College of Cardiology Foundation Circulation 113 (3) : 456 462.
18. Krumholz, H. M., J. Chen, Y. Wang, M. J. Radford, Y. T. Chen T. A. Marciniak. 1999 Comparing AMI Mortality among Hospitals in Patients 65 Years of Age and Older: Evaluating Methods of Risk Adjustment Circulation 99 (23) : 2986 2992.
19. Krumholz, H. M., Y. Wang, J. A. Mattera, Y. Wang, L. F. Han, M. J. Ingber, S. Roman S. L. Normand. 2006b An Administrative Claims Model Suitable for Profiling Hospital Performance Based on 30-Day Mortality Rates among Patients with an acute Myocardial Infarction Circulation 113 (13) : 1683 1692. (Pubitemid 43754230)
20. Krumholz, H. M. 2006c An Administrative Claims Model Suitable for Profiling Hospital Performance Based on 30-Day Mortality Rates among Patients with Heart Failure Circulation 113 (13) : 1693 1701.
21. Lougheed, M. D., N. Garvey, K. R. Chapman, L. Cicutto, R. Dales, A. G. Day, W. M. Hopman, M. Lam, M. R. Sears, K. Szpiro, T. To, N. A. Patterson Ontario Respiratory Outcomes Research Network. 2006 The Ontario Asthma Regional Variation Study: Emergency Department Visit Rates and the Relation to Hospitalization Rates Chest 129 (4) : 909 917.
22. Majeed, A., A. B. Bindman J. P. Weiner. 2001a Use of Risk Adjustment in Setting Budgets and Measuring Performance in Primary Care I: How It Works British Medical Journal 323 (7313) : 604 607.
23. Majeed, A. 2001b Use of Risk Adjustment in Setting Budgets and Measuring Performance in Primary Care II: Advantages, Disadvantages, and Practicalities British Medical Journal 323 (7313) : 607 610. (Pubitemid 32846130)
24. Miettinen, O. S. 1985. Theoretical Epidemiology: Principles of Occurrence Research in Medicine. New York : Wiley.
25. Moorman, J. E., R. A. Rudd, C. A. Johnson, M. King, P. Minor, C. Bailey, M. R. Scalia, L. J. Akinbami Centers for Disease Control and Prevention (CDC). 2007 National Surveillance for Asthma-United States, 1980-2004 Morbidity and Mortality Weekly Report Surveillance Summary 56 (8) : 1 54.
26. Morris, R. D. R. L. Munasinghe. 1994 Geographic Variability in Hospital Admission Rates for Respiratory Disease among the Elderly in the United States Chest 106 (4) : 1172 1181.
27. NHLBI. 2007 Morbidity & Mortality: 2007 Chart Book on Cardiovascular, Lung, and Blood Diseases [accessed June 23, 2009]. Available at
28. Rabe-Hesketh, S. A. Skrondal. 2005. Multilevel and Longitudinal Modeling Using Stata. College Station, TX. : Stata Press.
29. Radeos, M. S. C. A. Camargo, Jr. 2004 Predicted Peak Expiratory Flow: Differences across Formulae in the Literature American Journal of Emergency Medicine 22 (7) : 516 521.
30. Reiter, A., W. Mauritz, B. Jordan, T. Lang, A. Polzl, L. Pelinka P. G. Metnitz. 2004 Improving Risk Adjustment in Critically Ill Trauma Patients: The TRISS-SAPS Score Journal of Trauma 57 (2) : 375 380.
31. Rodrigo, G. C. Rodrigo. 1998 Early Prediction of Poor Response in Acute Asthma Patients in the Emergency Department Chest 114 (4) : 1016 1021.
32. Rodrigo, G. C. Rodrigo. 1997 A New Index for Early Prediction of Hospitalization in Patients with Acute Asthma American Journal of Emergency Medicine 15 (1) : 8 13.
33. Shahian, D. M., S. L. Normand, D. F. Torchiana, S. M. Lewis, J. O. Pastore, R. E. Kuntz P. I. Dreyer. 2001 Cardiac Surgery Report Cards: Comprehensive Review and Statistical Critique Annals of Thoracic Surgery 72 (6) : 2155 2168.
34. Shahian, D. M., D. F. Torchiana, R. J. Shemin, J. D. Rawn S. L. Normand. 2005 Massachusetts Cardiac Surgery Report Card: Implications of Statistical Methodology Annals of Thoracic Surgery 80 (6) : 2106 2113.
35. Sullivan, A. F., C. A. Camargo, Jr., P. D. Cleary, J. A. Gordon, E. Guadagnoli, R. Kaushal, D. J. Magid, S. R. Rao D. Blumenthal 2007 The National Emergency Department Safety Study: Study Rationale and Design Academy of Emergency Medicine 14 (12) : 1182 1189.
36. Tsai, C. L. 2009 Analyzing Patient Case Mix and Hospital Rankings Journal of American Medical Association 301 (11) : 1125 author reply.
37. Tsai, C. L., A. F. Sullivan, J. A. Gordon, R. Kaushal, D. J. Magid, D. Blumenthal C. A. Camargo, Jr. 2009 Quality of Care for Acute Asthma in 63 US Emergency Departments Journal of Allergy and Clinical Immunology 123 (2) : 354 361.
38. Weber, E. J., R. A. Silverman, M. L. Callaham, C. V. Pollack, P. G. Woodruff, S. Clark C. A. Camargo, Jr. 2002 A Prospective Multicenter Study of Factors Associated with Hospital Admission among Adults with Acute Asthma American Journal of Medicine 113 (5) : 371 378.
39. Wennberg, J. E. 2002 Unwarranted Variations in Healthcare Delivery: Implications for Academic Medical Centres British Medical Journal 325 (7370) : 961 964.
40. Zimmerman, J. E., A. A. Kramer, D. S. McNair F. M. Malila. 2006 Acute Physiology and Chronic Health Evaluation (APACHE) IV: Hospital Mortality Assessment for Today's Critically Ill Patients Critical Care Medicine 34 (5) : 1297 1310.