Associations between resting heart rate and cognitive decline in Chinese oldest old individuals: a longitudinal cohort study.

"availability of data and materials data availability statement data are available in a public open access repository from the chinese longitudinal healthy longevity survey ( https://opendata pku edu cn/dataverse/chads) . availability of data and materials data availability statement data are available in a public open access repository from the chinese longitudinal healthy longevity survey ( https://opendata pku edu cn/dataverse"

"Declarations Ethics approval and consent to participateThe CLHLS study was approved by the Research Ethics Committee of Peking University (IRB00001052-13074), and all participants or their proxy respondents provided written informed consent. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by Primary Research & Development Plan of Shandong Province (Grant No.2016GSF121044) and Shandong National Science Foundation (ZR2022MH111)."