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Health-based risk adjustment Improving the pharmacy-based cost group model to reduce gaming possibilities

Health-based risk adjustment Improving the pharmacy-based cost group model to reduce gaming possibilities

European Journal of Health Economics 4(2): 107-114

The pharmacy-based cost group (PCG) model uses medication prescribed to individuals in a base-year as marker for chronic conditions which are employed to adjust capitation payments to their health plans in the subsequent year. Although the PCG model enhances predictive performance, possibilities for gaming may arise as it is based on prior utilization. This study investigates several strategies to mitigate this problem. The best strategies appear to be: use a (high) number of prescribed daily doses to assign persons to PCGs, do not allow for comorbidity, and remove PCGs with low future costs. This PCG model accounts for almost twice as much variance as do demographic models. In 2002 the Dutch government implemented this model in the sickness fund sector (two-thirds of the population).

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Accession: 049195522

Download citation: RISBibTeXText

PMID: 15609177

DOI: 10.1007/s10198-002-0159-9

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