Trends in Incidence of Hip Fracture and Hip Replacement in Denmark, 1996 to 2018
Authors' conclusion
The findings of this cohort study suggest that during the past several decades in Denmark, the incidence of hip fractures declined by 35% to 40% among patients aged 80 to 104 years, while the proportion receiving fracture-related hip replacement remained relatively constant after 75 years of age. During the first decades of the 21st century, arthritis-related hip replacement incidence increased by 50% to 100% among older patients and stabilized hereafter, with no apparent cutoff age for this type of procedure.
Study context
- Population
- Danish population aged 40 to 104 years, 1996–2018, national Danish health registers
- Participants
- 3,664,979 participants53,517,861 person-years
- Outcome
- Age- and period-specific incidence rates of hip fracture and hip replacement stratified on fracture-related vs arthritis-related indication
Methodological detailsnationwide, registry-based, Mean (SD) follow-up 14.6 (7.7) years
- Nationwide
- Registry-based
- Mean (SD) follow-up 14.6 (7.7) years
Main finding
As reported in the abstract
1996–2018
- First hip fractures
- 158 982
- Fracture-related hip replacements
- 42 825
- Individuals with arthritis-related hip replacement
- 104 422
- Decline in hip fracture rates, aged 70 to 104 years, first 2 decades of 21st century
- 35% to 40%
- Increase in proportion undergoing fracture-related hip replacement
- 50% to 70%
- Largest relative rate increase in arthritis-related hip replacement, aged 80 to 94 years, mainly 2001–2015, then nearly unchanged
- 75%-100%
Observational data: associations, not effects.
Original publication
Trends in Incidence of Hip Fracture and Hip Replacement in Denmark, 1996 to 2018. JAMA Netw Open. Published 1 May 2024. doi:10.
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