Nationwide decline in incidence of hip fracture
Nationwide decline in incidence of hip fracture
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DOI：
10.1359/jbmr.060815
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发表时间：
2006-12-01
影响因子：
6.2
通讯作者：
Jarvinen, Markku
中科院分区：
文献类型：
--
作者：
Kannus, Pekka;Niemi, Seppo;Jarvinen, Markku
这项流行病学研究确定了1970年至2004年芬兰老年人髋部骨折的数量和发病率（每10万人）的趋势，芬兰是一个欧盟国家，有明确的白色人口520万。结果表明，从1970年代初到1990年代末，骨折发病率惊人地上升，现在骨折率下降。其原因在很大程度上尚不清楚，但芬兰老年人更健康的老龄化人口、平均体重增加和功能能力改善的队列效应可以部分解释这一现象。引言：尽管老年人骨质疏松性骨折据说是人口老龄化的现代社会的一个主要公共卫生问题，但有关其长期趋势的全国性新信息有限。材料和方法：这项流行病学研究确定了目前的趋势，在数量和发病率（每100，000人）芬兰老年人髋部骨折的发病率，芬兰是一个有明确定义的白色人口520万的欧盟国家，统计了1970- 2004年收治的年龄≥ 50岁的此类骨折患者。结果：在1970年（1857例骨折）至1997年（7122例骨折）之间，50岁以上芬兰人的髋部骨折数量持续上升，但自那以后，上升趋势趋于平稳（2004年为7083例骨折）。在此之后，由于风险人口的持续增加，髋部骨折的粗发病率（1970-1997年明显上升）在1997年至2004年期间有所下降，从1997年的438例（每100 000人）降至2004年的374例。关于年龄调整的骨折发生率，结果相似。直到1997年，女性和男性的髋部骨折的年龄调整发病率明显增加，但此后，这一发病率在男性和女性中均有所下降：女性从1997年的494例下降到2004年的412例，男性从1997年的238例下降到2004年的223例。从1970年代初到1990年代末，芬兰髋部骨折发病率上升，随之而来的是骨折率下降。确切的原因尚不清楚，但不能排除芬兰老年人健康老龄化、平均体重增加和功能改善的群体效应。
This epidemiologic study determined the trend in the number and incidence (per 100,000 persons) of hip fracture among older adults in Finland, an EU country with a well-defined white population of 5.2 million, between 1970 and 2004. The results show that the alarming rise in the fracture incidence from early 1970s until late 1990s has been now followed by declining fracture rates. Reasons for this are largely unknown, but a cohort effect toward a healthier aging population and increased average body weight and improved functional ability among elderly Finns could partly explain the phenomenon.Introduction: Although osteoporotic fractures of older adults are said to be a major public health concern in modern societies with aging populations, fresh nationwide information on their secular trends is limited.Materials and Methods: This epidemiologic study determined the current trend in the number and incidence (per 100,000 persons) of hip fracture among older adults in Finland, an EU country with a well-defined white population of 5.2 million, by taking into account all persons >= 50 years of age who were admitted to our hospitals for primary treatment of such fracture in 1970-2004.Results: The number of hip fractures among >= 50-year-old Finns rose very constantly between 1970 (1857 fractures) and 1997 (7122 fractures), but since then, the rise has leveled off (7083 fractures in 2004). After this and because of a continuous rise in population at risk, the crude incidence of hip fracture (showing a clear rise in 1970-1997) decreased between 1997 and 2004, from 438 (per 100,000 persons) in 1997 to 374 in 2004. Concerning the age-adjusted fracture incidence, findings were similar. Until 1997, the age-adjusted incidence of hip fracture clearly increased in both women and men, but thereafter, this incidence declined in both sexes: in women, from 494 in 1997 to 412 in 2004, and in men, from 238 in 1997 to 223 in 2004.Conclusions: The rise in the incidence of hip fracture in Finland from the early 1970s until the late 1990s has been followed by declining fracture rates. Exact reasons for this are unknown, but a cohort effect toward a healthier aging population and increased average body weight and improved functional ability among elderly Finns cannot be ruled out.