“…The present meta -analysis included 21 eligible studies (all of these were RCTs),( Liu et al, 2022 , Liu, 2022 , Zhou et al, 2021 , Duan and Zeng, 2021 , Yuan, 2021 , Chen, 2020 , Li, 2020 , Yu et al, 2020 , Wang, 2020 , Zhuang et al, 2019 , Cui and Yang, 2019 , Xie et al, 2019 , Ding et al, 2019 , Cui et al, 2018 , Lin, 2018 , [12] , Tian, 2017 , Zhang and Li, 2016 , Zhang et al, 2013 , Guo et al, 2013 , Bai et al, 2011 ) with a total of 1,649 S participants (age: 30–82 years old). All studies were published between 2011 and 2022, and the experimental sites were all located in China.…”