摘要
Knee pain and discomfort appear at the early stages of normal aging,which lead to impaired mobility and reduced quality of life(QOL).Among age-related conditions,osteoarthritis(OA)is considered the most significant cause of disability The acceleration of the aging process in China has troubled the middle-aged and elderly with a relatively high prevalence of OA,as recently reported in a meta-analysis pooling and analyzing epidemiological publications on OA in the middleaged and elderly Chinese published from 2000 to2018[1].
