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. 2020 Nov 6;11(1):e01926. doi: 10.1002/brb3.1926

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© 2020 The Authors. Brain and Behavior published by Wiley Periodicals LLC

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Forest plot of the association between different assessment instruments of cognitive frailty and the all‐cause mortality. FP: frailty phenotype; HRS: Health and Retirement Study; MMSE: Minimum Mental State Examination; mFP: a modified version of the frailty phenotype; FS: FRAIL Scale; FI: frailty Index; KCI: Kihon Checklist; a: cognitive impairment + prefrail; b: cognitive impairment + frail; ①: follow‐up 3.5 years; ②: follow‐up 7 years; HR: hazard ratio; 95%CI: 95% confidence interval