All FSI News News September 6, 2022

Incentivizing Quality of Care: New Study Shows Positive Outcomes in Taiwan’s Pay-for-Performance Diabetes Care Program

In the first study to evaluate pay-for-performance implementation at a hospital system in Taiwan, APARC’s Asia Health Policy Program Director Karen Eggleston and co-authors reveal how incentive-based measures to ensure continuity and quality of care resulted in positive health outcomes.
Doctor and nurse working on computer together. Female medical professionals are wearing uniforms. They are standing in hospital corridor.
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As healthcare costs for patients with non-communicable diseases such as diabetes have risen, governments and healthcare providers have sought creative measures to align financial incentives with better patient outcomes. One incentive payment system known as “pay-for-performance” (P4P), in which providers are beholden to metric-driven outcomes, represents a potential path forward for healthcare providers to improve healthcare processes, resulting in higher quality and better patient health outcomes. The evidence on the effectiveness of P4P programs, however, is mixed.

To address this uncertainty, a new study, published in The European Journal of Healthcare Economics, assesses the effectiveness, in monetary terms, of a P4P program for patients with diabetes at a hospital system in Taiwan. 

The study coauthors, including APARC’s Asia Health Policy Program Director and FSI Senior Fellow Karen Eggleston, employed new patient-level data on clinical indicators, utilization, and expenditures, combined with data from the national death registry, to better understand the costs and benefits of the P4P program. Their results show that Taiwan’s implementation of the P4P program for diabetic care yielded positive results in terms of net value, defined as the value of life years gained minus the cost of care.

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Assessing Net Value of Taiwan’s P4P

Taiwan’s Bureau of National Health Insurance (now National Health Insurance Administration) introduced P4P in 2001 and enhanced the program in 2006 with an incentive for pay-for-reporting of outcomes. Financial incentives were used to encourage continuity of care with metrics such as new patient enrollment, follow-up visits, and annual reports, each tied to a specific monetary value. The program’s features are common across P4P, so the study’s findings have implications in other settings that incorporate similar designs in their P4P programs.

The study compares two different groups of patients at a large regional hospital in Taiwan, one consisting of newly enrolled P4P patients and another using P4P patients who have been enrolled since the beginning of the program. The researchers leverage detailed clinical data not used in previous assessments of the P4P program to better identify both costs and longer-term clinical outcomes based on measured biomarkers and predicted mortality.

Using an economic cost-benefit analysis conducted from a budgetary perspective, the study is the first analysis of any P4P program that estimates changes in the quality-adjusted price index relative to usual care. The authors consider health benefits in terms of survival and predicted survival and convert them into monetary terms. This net value approach is especially useful for policymakers and healthcare administrators who implement value-based purchasing and monitor outcomes for any service delivery innovation over time.

“These encouraging findings of the positive value of quality improvement net of expenditures adds evidence to the literature that has found mixed results of P4P programs.”

The study finds that Taiwan’s P4P program provided a positive net value for payers and patients, ranging from $40,084 USD to $348,717 USD. These positive net value results are primarily derived from health outcomes as measured by lower mortality rates in the P4P versus non-P4P cohorts, across both newly enrolled and continuously enrolled groups of patients. According to the authors, “these encouraging findings of the positive value of quality improvement net of expenditures adds evidence to the literature that has found mixed results of P4P programs.” 

 This study develops a new model for assessing the net value of service delivery innovations like P4P programs that can be applied in other contexts globally, providing healthcare systems researchers with new tools to better understand an emergent option for incentivized care. With a more economically-translatable understanding of P4P programs, this research helps build the bridge between the oft-disparate worlds of healthcare and policy.

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In the first study to compare the progression of educational disparities in disability across two rapidly aging Asian societies, APARC coauthors Cynthia Chen and Karen Eggleston project that from 2015 to 2050, elders with high educational attainment will have a lower prevalence of functional disability and chronic conditions compared to elderly with low educational attainment.
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