Direct Medical Costs of Type 2 Diabetes in France: An Insurance Claims Database Analysis.

Objectives: Our objects was to estimate the direct healthcare costs of type 2 diabetes mellitus (T2DM) in France in 2013.

Methods: Data were drawn from a random sample of ≈600,000 patients registered in the French national health insurances database, which covers 90% of the French population. An algorithm was used to select patients with T2DM. Direct healthcare costs from a collective perspective were derived from the database and compared with those from a control group to estimate the cost of diabetes and related comorbidities. Overall direct costs were also compared according to the diabetes therapies used throughout the year 2013.

Results: Cost analysis was available for a sample of 25,987 patients with T2DM (mean age 67.5 ± standard deviation 12.5; 53.9% male) matched with a control group of 76,406 individuals without diabetes. Overall per patient per year medical expenditures were €6506 ± 10,106 in the T2DM group as compared with €3668 ± 6954 in the control group. The cost difference between the two groups was €2838 per patient per year, mainly due to hospitalizations, medication and nursing care costs. Total per capita annual costs were lowest for patients receiving metformin monotherapy (€4153 ± 6170) and highest for those receiving insulin (€12,890). However, apart from patients receiving insulin, costs did not differ markedly across the different oral treatment patterns.

Conclusion: Extrapolating these results to the whole T2DM population in France, total direct costs of diagnosed T2DM in 2013 was estimated at over €8.5 billion. This estimate highlights the substantial economic burden of this condition on society.