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THE EFFECT OF MEDICAID RATE ON POTENTIALLY PREVENTABLE HOSPITALIZATIONS FROM NURSING HOME *

THE EFFECT OF MEDICAID RATE ON POTENTIALLY PREVENTABLE HOSPITALIZATIONS FROM NURSING HOME *. Orna Intrator with V. Mor, N. Wu, D. Grabowski † , D. Gifford and Z. Feng Brown University and † UAB. * Funded by NIA RO1 AG20557. Objective.

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THE EFFECT OF MEDICAID RATE ON POTENTIALLY PREVENTABLE HOSPITALIZATIONS FROM NURSING HOME *

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  1. THE EFFECT OF MEDICAID RATE ON POTENTIALLY PREVENTABLE HOSPITALIZATIONS FROM NURSING HOME* Orna Intrator with V. Mor, N. Wu, D. Grabowski†, D. Gifford and Z. Feng Brown University and † UAB * Funded by NIA RO1 AG20557

  2. Objective • Medicaid payment rates are reflected in the availability of the clinical and managerial infrastructure necessary to manage nursing home residents’ medical conditions. • Over 60% of all nursing home residents are Medicaid recipients • Differences in reimbursement rates and other Medicaid reimbursement policies likely to contribute to observed inter-state differences in hospitalization rates.

  3. STATE Policies MARKET Context NURSING HOME Context Hospitalization RESIDENT Characteristics CONCEPTUAL MODEL Direct and indirect effects

  4. Hypotheses: direct effects • Nursing home residents in states with • Higher Medicaid rates experience fewer potentially preventable hospitalizations. • Bedhold policies will be more likely to be hospitalized • With casemix reimbursement will be more likely to be hospitalized because a hospitalization would result in change in per-diem rate

  5. Hypotheses: Indirect effects • Higher Medicaid rates  • More NP/PAs •  Less hospitalizations • More RNs in nursing home nursing force •  Less hospitalizations • More investment in physicians •  Less hospitalizations

  6. Data and Cohort • Minimum Data Set (MDS) to identify long-stay residents or urban free standing nursing homes in 48 contiguous states in 2000 (N=575,188 in 9124 facilities) • Facility data from Centers for Medicare and Medicaid Services’ Online Survey Certification and Reporting (OSCAR) system. • Medicare claims of all hospitalizations within 5 months of baseline MDS that were initiated from baseline nursing home (N=101,105) • Area Resource File for information on counties as NH markets

  7. Survey of State Medicaid Policies* • 48 continguous states contacted • Information on: • Method of calculation • Casemix method and updating schedule • Average per-diem payment rate and ancillary payments • Bedhold rate and durations • CON and moratorium *Forthcoming article in Health Affairs Web Exclusive June 18, 2004

  8. State Policy Measures • Average per diem rate: • Total payments divided by total bed days • Free standing and hospital based • Annually, 1999-2002 • Used 2000 data in this study • Bedhold policies* • Proportion of NH rate paid • Maximum number days in period • Minimum occupancy requirements *Poster at 6pm tonight

  9. State Policy Measures • Casemix reimbursement: • Type of system (RUG based, other) • How frequently updated (annually, quarterly) • Based on resident, facility, or both • Four category variable: • No casemix (N=17) • Not resident specific only updated annually (N=9) • Facility specific quarterly or semi-annually (N=14) • Most responsive: Resident specific quarterly or semi-annually or both and quarterly (N=8)

  10. Outcome Definition • Hierarchical outcome: • Any potentially preventable hospitalization (using ambulatory care sensitive diagnoses) • Any other hospitalization • Death • Remaining in the facility. Distribution of outcome: Any potentially preventable …………… 7.4% Other Hosp ……………………………..……. 12.6% Died ……………………………………….……….. 9.2%

  11. Model and Estimation • Multinomial response (4 categories) • Multilevel: • Resident • Facility • County • State • Estimation using MLWiN for binomial response: Outcome vs. remain in NH

  12. Results:Direct Medicaid Policy Effects

  13. Results:Indirect Medicaid Policy Effects

  14. Policy Implications • Highlights competing motivation of Medicaid and Medicare: • Higher Medicaid rates  lower Medicare expenditures from less hospitalizations  higher Medicare expenditures from increased LOS • Higher bedhold rates  higher Medicare expenditures • More bedhold days  better quality of life • What is “optimal” policy • For Medicare? For Medicaid? For Residents?

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