Incidence of and trends in hip fracture among adults in urban China: A nationwide retrospective cohort study

Chenggui Zhang, Jingnan Feng, Shengfeng Wang, Pei Gao, Lu Xu, Junxiong Zhu, Jialin Jia, Lili Liu, Guozhen Liu, Jinxi Wang, Siyan Zhan and Chunli Song

PLOS Medicine, 2020, vol. 17, issue 8, 1-16

Abstract: Background: Hip fracture is a public health concern because of its considerable morbidity, excess mortality, great risk of disability, and high societal healthcare costs. China has the largest population of older people in the world and is experiencing rapid population aging and facing great challenges from an increasing number of hip fractures. However, few studies reported the epidemiology, especially at a national level. We aimed to evaluate trends in hip fracture incidence and associated costs for hospitalization in China. Methods and findings: We conducted a population-based study using data between 2012 and 2016 from the national databases of Urban Employee Basic Medical Insurance and Urban Resident Basic Medical Insurance in China, covering about 480 million residents. Data from around 102.56 million participants aged 55 years and older during the study period were analyzed. A total of 190,560 incident hip fracture patients (mean age 77.05 years, standard deviation 8.94; 63.99% female) were identified. Primary outcomes included the age- and sex-specific incidences of hip fracture. Associated annual costs for hospitalization were also calculated. Incidence was described as per 100,000 person-years at risk, and 95% confidence intervals were computed assuming a Poisson distribution. Hip fracture incidence overall in China did not increase during the study period despite rapid population aging. Incidence per 100,000 was 180.72 (95% CI 137.16, 224.28; P

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmed00:1003180

DOI: 10.1371/journal.pmed.1003180

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