Determinants for Healthcare Expenditure Growth Presented by LaToyia Floyd Wayne State University...
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Transcript of Determinants for Healthcare Expenditure Growth Presented by LaToyia Floyd Wayne State University...
Determinants for Healthcare Expenditure
Growth
Presented by LaToyia FloydWayne State University
Fall 2013
OverviewIntroduction
Health Care Trends
Literature Review
Data
Regression Model
Empirical results
Conclusion
IntroductionHealth care expenditure
Current trends vs growth rates: past vs future state
Health care reform in the USEquity Issues – who gets access to healthcare
Providing insurance for the uninsuredQuality issues – health outcomes
Quality of life; preventive careEfficiency Issues – best utilization of resources
Cost: front end investment vs back end exploitation
Re-organization of primary health careExpansion of Mid-level provider utilization
IntroductionRe-organization of primary health care
Improving quality checks and balancesCoordination post hospitalization
Helping the equity conundrum – who receives healthcareDistribute burden of service across resourcesLow overhead clinics which serve local communitiesMulti-payment structures
Re-introducing fee-for-service
% Change in spending downward slope
Health Care Trends
Average Annual Percent Change in National Health Expenditures, 1960-2010
Source: Kaiser Family Foundation calculations using NHE data from Centers for Medicare and Medicaid Services, Office of the Actuary, National Health Statistics Group, at http://www.cms.hhs.gov/NationalHealthExpendData/ (see Historical; National Health Expenditures by type of service and source of funds, CY 1960-2010; file nhe2010.zip).
Health Care TrendsBaby Boomers – increase dependence on health
care
Source: OECD health statistics database
Health Care Trends Distribution of National Health Expenditures, by
Type of Service (in Billions), 2010
Source: Kaiser Family Foundation calculations using NHE data from Centers for Medicare and Medicaid Services, Office of the Actuary, National Health Statistics Group, at http://www.cms.hhs.gov/NationalHealthExpendData/ (see Historical; National Health Expenditures by type of service and source of funds, CY 1960-2010; file nhe2010.zip).
Note: Other Personal Health Care includes, for example, dental and other professional health services, durable medical equipment, etc. Other Health Spending includes, for example, administration and net cost of private health insurance, public health activity, research, and structures and equipment, etc.
Health Care Trends% Distribution for source of spending
1970 2010
1970 2010
1970 2010 1970 2010
Hospital Care
Physician & Clinical Services
Retail Prescription Drugs
Nursing Care Facilities & Continuing Care
Retirement Communities
Literature ReviewBarros (1998) The Black Box of Health care
Expenditure Growth What contributes to the growth rate of health
expenditure – future expansion Contributions to level of health care expenditure –
current and past factors
Fuchs (1974) Who Shall Live Substitution of inputs – can this apply to healthcare
resources such as providers
Macinko, Starfield and Shi (2003) Contribution of Primary Care Systems to Health Outcomes for OECD Countries Strong relationship between strength of primary care
system and health outcomes
DataOECD Database
4 countries: USA, Canada, Norway and Australia
Sample sizes (~40 data points)
Difficulty finding variables that fit into model meaningfully
Data
DataDescriptive Statistics: NORWAY compared to US
VAR Sample size Mean Variance
Norway 39 2,036.92206 2,673,473.90896
US 39 3,420.43427 5,853,666.01922
Summary
Degrees Of Freedom 67Hypothesized Mean
Difference 0.E+0
Test Statistics 2.95879 Pooled Variance 4,263,569.96409
Two-tailed distribution
p-level 0.00427 t Critical Value (5%) 1.99601
One-tailed distribution
p-level 0.00213 t Critical Value (5%) 1.66792 G-criterionTest Statistics 0.2124 p-level 0.00294
Critical Value (5%) 0.18367
Pagurova criterionTest Statistics 2.95879 p-level 0.99572
Ratio of variances parameter 0.31353 Critical Value (5%) 0.02516
DataDescriptive Statistics: CANADA compared to US
VAR Sample size Mean VarianceCanada 39 1,918.69179 1,391,987.49144US 39 3,420.43427 5,853,666.01922
Summary
Degrees Of Freedom 55 Hypothesized Mean Difference 0.E+0
Test Statistics 3.48409 Pooled Variance 3,622,826.75533
Two-tailed distributionp-level 0.00098 t Critical Value (5%) 2.00404
One-tailed distributionp-level 0.00049 t Critical Value (5%) 1.67303 G-criterionTest Statistics 0.25225 p-level 0.00194Critical Value (5%) 0.18367
Pagurova criterionTest Statistics 3.48409 p-level 0.99901
Ratio of variances parameter 0.19211 Critical Value (5%) 0.02518
DataDescriptive Statistics: AUSTRALIA compared to US
VAR Sample size Mean VarianceAustralia 39 1,580.52576 1,112,673.77351US 39 3,420.43427 5,853,666.01922
SummaryDegrees Of Freedom 52 Hypothesized Mean Difference 0.E+0Test Statistics 4.35338 Pooled Variance 3,483,169.89637
Two-tailed distributionp-level 0.00006 t Critical Value (5%) 2.00665
One-tailed distributionp-level 0.00003 t Critical Value (5%) 1.67469 G-criterionTest Statistics 0.32385 p-level 0.00015Critical Value (5%) 0.18367
Pagurova criterionTest Statistics 4.35338 p-level 0.99994Ratio of variances parameter 0.15972 Critical Value (5%) 0.02519
Regression ModelDependent variable: Total health care
expenditure, per capita PPP
Independent variables:Administration and Health Insurance, per capita
PPPPharmaceuticals and non-durable medical goods,
per capita PPPTotal number of curative (acute) beds, per 1,000Preventative measures, per capita PPPHome care expenditures, per capita PPP
Regression ModelTime series regression, detrended
Country specific comparison
ModelTotal Expenditure on Healthcaret = 0 + 1 GDPt1 +
2(Administration)t1 + 3(Pharma)t3 + 4(tot. curative)t4 + 5(preventive)t5 + 6t + ut
Detrending accomplished by adding time trend variable, 6t
Empirical ResultsSignificant Variables
Empirical ResultsElasticities: logs of variables for USA
Increasing returns to scale for number of Curative beds
Regression ModelDependent variable: Total health care
expenditure, per capita PPP
Independent variables: Total of 10, discussing 5 todayPharmaceuticals and non-durable medical goods,
per capita PPPTotal number of curative (acute) beds, per 1,000Total hospital beds per million population
Limited data pointsPracticing physicians per 1,000 population
Regression Model
Regression Model
ConclusionNumber of Curative beds a factor in health care growth
Clue into organizational restructuring
Further studying on independent variablesNumber of hospitals
Could the decrease in the number of hospitals contribute to lower percentage growth of healthcare
Practicing physiciansNew medical schoolsLeverage mid-level providers
Co-integration between variablesEndogenous effects vs exogenous effects on model
Insurance structuringER expansion