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Erschienen in:
01.12.2010 | Original Article
Trends in the incidence of hip fractures in women in the Basque country
Erschienen in: Archives of Osteoporosis | Ausgabe 1-2/2010
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Summary
Hip fractures are the most important type of fracture. Trends in their incidence and a possible relationship with treatments for osteoporosis are subject of debate. Our objective is to analyse changes in the incidence of hip fractures in women in the Basque Country population and the relationship with osteoporosis treatment.
Objective
Hip fractures are the most important type of fracture due to the associated high mortality and morbidity. Our objective is to analyse changes in the incidence of hip fractures in women in the Basque Country population and the relationship with osteoporosis treatment.
Methods
An observational study of hip fracture rates was carried out based on data taken from the Minimum Basic Data Set. Generalised linear models were used to assess the trends in annual rates of hip fractures for each age group. In addition, the total annual use of osteoporosis treatments was analysed.
Results
The total number of hip fractures increased by 38% from 1994 to 2009. However, the general linear regression models indicated that the changes in the rates were only statistically significant for the 65- to 74- and 75- to 84-year-old age groups. In these groups, there were annual decreases by 2.30% (CI 1.00, 3.59) and 1.32% (CI 0.47; 2.18), respectively. The use of osteoporosis treatments has quadrupled during that time.
Conclusions
The main finding of our study is that from 1994 to 2008, there is a downwards trend in hip fracture rates in the Basque Country for the 65- to 84-year-old age bracket. Given the characteristics of the design of this study, we are not able to infer a relationship between these findings and any specific factor. Nevertheless, the fact that the change has occurred in the age groups which have received the most treatment for osteoporosis may suggest the existence of some kind of association.