Benchmarking physical therapy clinic performance: Statistical methods to enhance internal validity when using observational data

Physical Therapy

Volumn 88, Issue 9, 2008, Pages 1078-1087

  Resnik, Linda ^a   Liu, Dawei ^a   Hart, Dennis L ^b   Mor, Vince ^a  

^a BROWN UNIVERSITY   (United States)

^b Focus on Therapeutic Outcomes Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONFOUNDING VARIABLE; HEALTH CARE POLICY; HEALTH CARE QUALITY; HEALTH CARE UTILIZATION; INTERNAL VALIDITY; OBSERVATIONAL STUDY; PATIENT SELECTION; PHYSIOTHERAPY; PHYSIOTHERAPY PRACTICE; PRACTICE GUIDELINE; REVIEW; STATISTICAL ANALYSIS; TREATMENT OUTCOME;

AMBULATORY CARE FACILITIES; BENCHMARKING; HUMANS; OBSERVATION; OUTCOME AND PROCESS ASSESSMENT (HEALTH CARE); PHYSICAL THERAPY MODALITIES; QUALITY INDICATORS, HEALTH CARE; STATISTICS AS TOPIC;

EID: 50849104827     PISSN: 00319023     EISSN: None     Source Type: Journal    
DOI: 10.2522/ptj.20070327     Document Type: Review

References (52)

1. Goldfield N, Burford R, Averill R, et al. Pay for performance: an excellent idea that simply needs implementation. Qual Manag Health Care. 2005;14:31-44.
2. Institute of Medicine. Crossing the Quality Chasm: A New Health System for the 21st Century. Washington, DC: National Academy Press; 2002.
3. PriceWaterhouseCoopers. Pay for Performance's Small Steps of Progress. Available at: http://www.pwc.com/healthcare. Accessed August 10, 2005.
4. Bjorkgren M, Fries B, Hakkinen U, Brommels M. Case-mix adjustment and efficiency measurement. Scand J Public Health. 2004;32:464-471.
5. Mor V, Berg K, Angelelli J, et al. The quality of quality measurement in US nursing homes. Gerontologist. 2003;43(Spec No. 2):37-46.
6. Zimmerman DR. Improving nursing home quality of care through outcomes data: the MDS quality indicators. Int J Geriatr Psychiatry. 2003;18:250-257.
7. Cooper JK, Kohlmann T, Michael JA, et al. Health outcomes: new quality measure for Medicare. Int J Qual Health Care. 2001;13:9-16.
8. Johantgen M, Elixhauser A, Bali JK, et al. Quality indicators using hospital discharge data: state and national applications. Jt Comm J Qual Improv. 1998;24:88-105.
9. US Dept of Health and Human Services. Medicare Physician Group Practice Demonstration. Available at: http://www.cms.hhs.gov/researchers/demos/ fact_sheet_mdpg_lh.pdf. Accessed August, 29, 2005.
10. Farin E, Follert P, Gerdes N, et al. Quality assessment in rehabilitation centres: the indicator system "Quality Profile." Disabil Rehabil. 2004;26:1096-1104.
11. Jencks SF. The government's role in hospital accountability for quality of care. Jt Comm J Qual Improv. 1994;20:364-369.
12. Brook RH, McGlynn EA, Shekelle PG. Defining and measuring quality of care: a perspective from US researchers. Int J Qual Health Care. 2000;12:281-295.
13. Landon BE, Normand SL, Blumenthal D, Daley J. Physician clinical performance assessment: prospects and barriers. JAMA. 2003;290:1183-1189.
14. Normand S, Glickman M, Gatsonis C. Statistical methods for profiling providers of medical care: issues and applications. Journal of the American Statistical Association. 1997;92:803-814.
15. Hunter S, Zollinger B. Collecting and reporting patient-reported clinical outcomes: a work in progress. Health Policy Resource. 2003;3(3):9-10.
16. Dobrzykowski EA. The methodology of outcomes measurement. Journal of Rehabilitation Outcomes Measurement. 1997;1:8-17.
17. Iezzoni LI. Risk adjusting rehabilitation outcomes: an overview of methodologic issues. Am J Phys Med Rehabil. 2004;83:316-326.
18. Hennekens CH, Buring JE, Mayrent SL. Epidemiology in Medicine. Boston, MA: Little, Brown and Co Inc; 1987.
19. Greenfield S, Kaplan SH, Kahn R, et al. Profiling care provided by different groups of physicians: effects of patient case-mix (bias) and physician-level clustering on quality assessment results. Ann Intern Med. 2002;136:111-121.
20. Greenfield S, Apolone G, McNeil BJ, Cleary PD. The importance of co-existent disease in the occurrence of postoperative complications and one-year recovery in patients undergoing total hip replacement: comorbidity and outcomes after hip replacement. Med Care. 1993;31:141-154.
21. Jette DU, Jette AM. Physical therapy and health outcomes in patients with spinal impairments. Phys Ther. 1996;76:930-945.
22. Di Fabio RP, Boissonnault W. Physical therapy and health-related outcomes for patients with common orthopaedic diagnoses. J Orthop Sports Phys Ther. 1998;27:219-230.
23. Iezzoni LI, ed. Risk Adjustment for Measuring Health Care Outcomes. Chicago, IL: Health Administration Press; 2003.
24. Greenfield S, Sullivan L, Silliman RA, et al. Principles and practice of case mix adjustment: applications to end-stage renal disease. Am J Kidney Dis. 1994;24:298-307.
25. Jette DU, Jette AM. Physical therapy and health outcomes in patients with knee impairments. Phys Ther. 1996;76:1178-1187.
26. Jette DU, Warren RL, Wirtalla C. The relation between therapy intensity and outcomes of rehabilitation in skilled nursing facilities. Arch Phys Med Rehabil. 2005;86:373-379.
27. Freburger JK. An analysis of the relationship between the utilization of physical therapy services and outcomes of care for patients after total hip arthroplasty. Phys Ther. 2000;80:448-458.
28. Horn SD, Dejong G, Smout RJ, et al. Stroke rehabilitation patients, practice, and outcomes: is earlier and more aggressive therapy better? Arch Phys Med Rehabil. 2005;86(12 suppl 2):S101-S114.
29. Hart DL, Dobrzykowski EA. Influence of orthopaedic clinical specialist certification on clinical outcomes. J Orthop Sports Phys Ther. 2000;30:183-193.
30. Freburger JK, Carey TS, Holmes GM. Effectiveness of physical therapy for the management of chronic spine disorders: a propensity score approach. Phys Ther. 2006;86:381-394.
31. Swinkels ICS, van den Ende CHM, de Bakker D, et al. Clinical databases in physical therapy. Physiother Theory Pract. 2007;23:153-167.
32. Goldstein H. Multilevel Statistical Models. New York, NY: Edward Arnold Wiley; 1995.
33. Jewell DV, Riddle DL. Interventions that increase or decrease the likelihood of a meaningful improvement in physical health in patients with sciatica. Phys Ther. 2005;85:1139-1150.
34. Burgess JF Jr, Christiansen CL, Michalak SE, Morris CN. Medical profiling: improving standards and risk adjustments using hierarchical models. J Health Econ. 2000;19:291-309.
35. Zou KH, Normand SL. On determination of sample size in hierarchical binomial models. Stat Med. 2001;20:2163-2182.
36. Resnik L, Feng Z, Hart DL. State regulation and the delivery of physical therapy services. Health Serv Res. 2006;41(4 Pt 1):1296-1316.
37. Hart DL, Connolly J. Pay-for-Performance for Physical Therapy and Occupational Therapy: Medicare Part B Services. Grant #18-P-93066/9-01. Washington, DC: US Dept of Health & Human Services, Centers for Medicare & Medicaid Services; 2006.
38. Freburger JK, Carey TS, Holmes GM. Physician referrals to physical therapists for the treatment of spine disorders. Spine. 2005;5:530-541.
39. Little RJA, Rubin DB, eds. Statistical Analysis With Missing Data. New York, NY: John Wiley & Sons Inc; 2002.
40. Resnik L, Liu D, Mor V, Hart DL. Predictors of physical therapy clinic performance in the treatment of patients with low back pain syndromes. Phys Ther. 2008;88:989-1011.
41. Hart DL, Wright BD. Development of an index of physical functional health status in rehabilitation. Arch Phys Med Rehabil. 2002;83:655-665.
42. Hart DL. Test-retest reliability of an abbreviated self-report overall health status measure. J Orthop Sports Phys Ther. 2003;33:734-744.
43. Resnik L, Hart DL. Using clinical outcomes to identify expert physical therapists. Phys Ther. 2003;83:990-1002.
44. Iezzoni LI. An introduction to risk adjustment. Am J Med Qual. 1996;11:S8-S11.
45. Resnik L, Hart DL. Influence of advanced orthopaedic certification on clinical outcomes of patients with low back pain. Journal of Manual & Manipulative Therapy. 2004;12:32-41.
46. Rosenbaum PR, Rubin DB. The central role of the propensity score in observational studies for causal effects. Biometrika. 1983;70:41-55.
47. Amato AL, Dobrzykowski EA, Nance T. The effect of timely onset of rehabilitation on outcomes in outpatient orthopedic practice: a preliminary report. Journal of Rehabilitation Outcomes Measurement. 1997;1(3):32-38.
48. Robins JM, Hernan MA, Brumback B. Marginal structural models and causal inference in epidemiology. Epidemiology. 2000;11:550-560.
49. Ash AS, Schwartz M, Pekoz E. Comparing outcomes across providers. In: Iezzoni LI, ed. Risk Adjustment for Measuring Health Care Outcomes. Chicago, IL: Health Administration Press; 2003:297-333.
50. Castle NG. Providing outcomes information to nursing homes: can it improve quality of care? Gerontologist. 2003;43:483-492.
51. Jette AM, Delitto A. Physical therapy treatment choices for musculoskeletal impairments. Phys Ther. 1997;77:145-154.
52. Casalino LP, Elster A, Eisenberg A, et al. Will pay-for-performance and quality reporting affect health care disparities? Health Aff (Millwood). 2007;26:405-414.