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Randomized Controlled Trial
. 2023 Feb;38(3):641-647.
doi: 10.1007/s11606-022-07691-2. Epub 2022 Jul 25.

Health-Economic Evaluation of the German Osteoporotic Fracture Prevention Program in Rural Areas (OFRA): Mobility and Falls Prevention Classes, Examination of Bone Health, and Consultation on Safety in the Living Environment

Claudia Konnopka  1 , Gisela Büchele  2 , Dietrich Rothenbacher  2 , Patrick Roigk  3 , Kilian Rapp  3 , Hans-Helmut König  4
Affiliations
Randomized Controlled Trial

Health-Economic Evaluation of the German Osteoporotic Fracture Prevention Program in Rural Areas (OFRA): Mobility and Falls Prevention Classes, Examination of Bone Health, and Consultation on Safety in the Living Environment

Claudia Konnopka et al. J Gen Intern Med. 2023 Feb.

Abstract

Background: Fragility fractures are one of the leading causes of disability in older adults. Yet, evidence for effectiveness and cost-effectiveness of preventive approaches combining bone health and fall prevention is rare.

Objective: To conduct a health-economic evaluation of the German osteoporotic fracture prevention program in rural areas (OFRA).

Design: Secondary cluster-randomized intervention study based on routine data.

Participants: All districts in five federal states in Germany were cluster-randomized as intervention or control districts. OFRA was offered to community-living (a) women aged 75-79 years or (b) women and men aged 70-84 years with a prior fragility fracture in the intervention districts. Individuals who meet these criteria in the control districts were assigned to the control group.

Intervention: OFRA comprised mobility and falls prevention classes, examination of bone health by bone density measurement, and consultation on safety in the home living environment.

Main measures: We measured health-care costs and effectiveness in terms of time to fragility fracture or death within 1 year after initial contact, based on health insurance claims data. Implementation costs were recorded by the intervention performers. We calculated an incremental cost-effectiveness ratio (ICER) and employed the net-benefit approach to construct a cost-effectiveness acceptability curve (CEAC).

Key results: There were 9408 individuals in the intervention group and 27,318 in the control group. Mean time to fragility fracture or death (difference: 0.82 days) and health-care costs (difference: 111.73€, p < .01) were reduced, but mean intervention costs (difference: 260.10€) increased total costs (difference: 148.37€, p < .001) in the intervention group. The ICER per fracture-free year of survival was 66,094.63€. The CEAC showed no acceptable probability of cost-effectiveness at a reasonable willingness to pay.

Conclusion: OFRA showed reduced rates of fragility fractures, but had high implementation costs, resulting in an unfavorable ICER. The cost-effectiveness of OFRA may improve with a longer follow-up.

Keywords: cost-effectiveness; fragility fractures; frailty; net-benefit approach; prevention.

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Conflict of interest statement

All authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Cost-effectiveness acceptability curves of costs per fracture-free year of survival
See this image and copyright information in PMC

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