Types and frequency of social participation and comprehensive frailty among community-dwelling older people in Japan

Dose-response relationship between physical activity and frailty: A systematic review and meta-analysis

“…We retrieved 6069 independent studies, of which 5846 were excluded after title and abstract screening, leaving 223 studies for full-text evaluation. Based on the full-text evaluation, we additionally excluded 208 studies, ultimately identifying a total of 15 [ 30 , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] , [45] , [46] , [47] , [48] , [49] , [50] ] eligible observational studies.

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