Excess healthcare utilization and costs linked to chronic conditions: a comparative study of nine European countries.

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The increasing prevalence of chronic conditions is a significant challenge for healthcare systems worldwide, not only from a public health perspective but also for the aggregate cost that these represent. This paper estimates the additional use of healthcare services due to chronic health conditions and their associated costs in nine European countries. We analyzed inpatient and outpatient healthcare utilization using longitudinal data (Survey of Health, Ageing and Retirement in Europe [SHARE]). We implemented a difference-in-differences approach across multiple time periods. Monetary estimates were derived using WHO-CHOICE healthcare service costs. To compare countries, we calculated the healthcare cost burden of chronic conditions as a percentage of total health expenditure. People with chronic conditions require significantly more healthcare services than those without such conditions, averaging three additional outpatient visits and one extra overnight inpatient stay annually. These patterns vary across countries. In Germany, outpatient care usage is particularly high, with an average of four additional visits, while Switzerland leads in inpatient care with two extra overnight stays. The associated costs also differ widely, influenced by variations in healthcare demand, service pricing, and the prevalence of chronic conditions in each country. Chronic conditions significantly increase healthcare utilization, and demographic trends suggest this demand will continue to grow steadily. This rising pressure poses serious challenges for healthcare systems, necessitating a shift toward more efficient service delivery models.