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. 2021 Sep;32(9):1785-1793.
doi: 10.1007/s00198-021-05849-y. Epub 2021 Mar 2.

Current status and distribution of hip fractures among older adults in China

X F Gong  1   2 , X P Li  3 , L X Zhang  4 , J R Center  5 , D Bliuc  5 , Y Shi  6 , H B Wang  7 , L He  1 , X B Wu  8
Affiliations

Current status and distribution of hip fractures among older adults in China

X F Gong et al. Osteoporos Int. 2021 Sep.

Abstract

China is a middle-risk country for hip fracture at present, which differs from previous data that it was low-risk. By 2050, the total number of hip fractures in people older than 65 years is predicted to be 1.3 million.

Introduction: To assess hip fracture incidence in China and examine the heterogeneity of hip fracture in seven geographical regions of China.

Methods: There were 238,230 hip fracture patients aged 65 years or older from 2013 to 2016 from a large national in-patients database (HQMS) involving 30.6 million hospitalizations. Taking into account the total national hospitalization rate per calendar year, we estimated the incidence of hip fracture per 100,000 residents older than 65 years in China overall and in seven geographical Chinese regions.

Results: The proportion of men and women older than 65 years with hip fractures was 1.00:1.95. Between 2013 and 2016, the number of hip fractures per 100,000 people age 65+ was 278. China has vast territories; the number of hip fractures per 100,000 people over 65 years old was 202 in Northeast China and 374 in Northwest China. Northwest has higher altitude, lower population density, is less developed with lower urbanization than Northeast China which is low altitude, and highly urbanized.

Conclusions: China should no longer be regarded as a low-risk country for hip fracture. By 2050, the total number of hip fractures in people older than 65 years in China is predicted to be 1.3 million. Higher altitude areas had higher hip fracture rates than lower altitude, higher urbanized areas.

Keywords: China; Hip fractures; Incidence; Older adults.

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