Background The epidemiology of hip fractures in Eastern parts of Russia has not yet been studied.
Objectives The aim of this retrospective study was to analyse the incidence of hip fracture in subjects over 50.
Methods The total population of the city is 1,5 million population in the city of Yekaterinburg. The medical records of four city hospitals where patients with hip fractures were admitted as well as from outpatient emergency units were analysed for 1992–1997. The city administration provided statistical data on relevant population number and age distribution. Hip fracture has been defined as a fracture of the femoral neck or intertrochanteric region fracture (ICD IX code 820.0 and 820.2). There were no exclusion criteria other then the hip fracture occurring as a result of major trauma.
Results In the health care areas studied there were 2 777 hip fractures: 599 males and 2 178 females. The mean age of males was 69,0 ± 11,2 years of age and females – 76,5 ± 9,3 respectively (p < 0,0001). The incidence of hip fracture for the examined period made up 132,3/100 000 population in those over 50 years (76,9/100 000 for males and 164,8/100 000 for females). The ratio of male to females cases was 1:2. The incidence of hip fracture rose exponentially with age in both genders. The occurrence of hip fracture was maximal in subjects over 80 years old and made up 744,1/100 000 (476,9/100 000 males and 818,2/100 000 females). Male/female ratio was 1:1,7. The incidence of hip fracture in our population has not seasonal variation.
Conclusion More recent data showed significant differences in the incidence of hip fractures between Russian regions. The lowest rate of hip fracture was found in the western part of Russia and the highest in the Ural (Yekaterinburg). There was a large difference in incidence between regions, which suggests important environmental factors in the causation of hip fracture.
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