Kihon Checklist items associated with the development of frailty and recovery to robust status during the COVID-19 pandemic.

The baseline KCL items regarding physical function and associated mental aspects were related to both development of frailty and recovery to robust status during the COVID-19 pandemic. Cognitive and depressive declines were associated with the development of frailty, while good oral environment and sense of fulfillment in life were associated with the recovery to robust status. Geriatr Gerontol Int 2022; 22: 745-752.