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Hip fractures in Nordic cities: difference in incidence
1Department of Endocrinology, Aker University Hospital, Oslo, Norway.
Annales Chirurgiae Et Gynaecologiae
|January 1, 1995
Summary
Hip fracture incidence varies significantly across Nordic urban populations, with higher rates in women and an age-dependent increase. Geographical factors, particularly moving south and east, appear to influence these differences.
Area of Science:
- Gerontology
- Epidemiology
- Orthopedics
Background:
- Hip fractures represent a significant public health concern, particularly in aging populations.
- Understanding geographical variations in hip fracture incidence is crucial for targeted prevention strategies.
Purpose of the Study:
- To investigate and compare the incidence of hip fractures across seven urban populations in Denmark, Finland, Norway, and Sweden in 1989.
- To identify potential geographical or population-specific factors influencing hip fracture rates.
Main Methods:
- A population-based study recorded all new hip fractures in individuals aged 50 and older in seven Nordic cities during 1989.
- Direct standardization was used to compare age- and sex-adjusted hip fracture incidence rates between the urban populations.
Main Results:
- A total of 4075 hip fractures were observed in a population of 588,427, with women accounting for 76.5%.
- Hip fracture incidence increased with age in all studied cities, and was consistently higher in women.
- Significant differences in standardized hip fracture incidence were observed between the cities, with rates generally decreasing towards southern and eastern regions, and the lowest rates in Tampere, Finland.
Conclusions:
- Significant geographical variations in hip fracture incidence exist even within closely located urban populations in the Nordic region.
- Environmental or lifestyle factors that differ between these populations likely play a substantial role in determining hip fracture risk.