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Physical frailty and long-term mortality in older people with chronic heart failure with preserved and reduced ejection fraction: a retrospective longitudinal study

Crossref DOI link: https://doi.org/10.1186/s12877-020-01971-4

Published Online: 2021-02-01

Published Print: 2021-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Weng, Shuo-Chun

Lin, Chu-Sheng

Tarng, Der-Cherng

Lin, Shih-Yi
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Article History

Received: 6 November 2020

Accepted: 16 December 2020

First Online: 1 February 2021

Ethics approval and consent to participate

: Because this is a retrospective study of patients registered in a disease management system of the Taichung Veterans General Hospital, and the data were analyzed anonymously, a verbal or written consent was not required from the enrolled subjects according to the regulations from the ethics committee of the hospital. Informed consent was not required from the enrolled subjects after waiver for informed consent was obtained from the ethics committee, and the study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki as reflected in a priori approval by the Institutional Review Board of Taichung Veterans General Hospital (No.CF13015, CF13015–1, CF13015–2, CF13015–3).

: Not applicable.

: The authors declare no competing interests related to the present study.

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