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. 2024 Aug:71:102667.
doi: 10.1016/j.ejon.2024.102667. Epub 2024 Jul 13.

Frailty and all-cause and cancer-related mortality in cancer patients: A prospective cohort study

Fei-Hong Hu  1 , Li-Ping Feng  2 , Yi-Jie Jia  1 , Meng-Wei Ge  1 , Lu-Ting Shen  1 , Peng Liu  3 , Hong-Lin Chen  4
Affiliations

Frailty and all-cause and cancer-related mortality in cancer patients: A prospective cohort study

Fei-Hong Hu et al. Eur J Oncol Nurs. 2024 Aug.

Abstract

Purpose: To evaluate the associations between frailty and all-cause and cancer-related mortality. Additionally, the objective is to compare the magnitude of these associations between older adults and younger adults.

Methods: We gathered baseline data from NHANES (1999-2018) and developed a cumulative index consisting of 39 items to evaluate frailty. The National Death Index database was utilized to track the survival status of individuals. The Cox regression model was employed to estimate the associations between frailty status and all-cause and cancer-related mortality.

Results: Ultimately, 3398 cancer patients were included in the analysis, comprising 910 younger adults and 2488 older adults. Compared to non-frail patients, the elevated all-cause and cancer-related mortality among pre-frail patients was not statistically significant (HRs = 1.312, 95%CI: 0.956-1.800, P = 0.092; HRs = 1.462, 0.811-2.635, P = 0.207). However, a significant elevation of both all-cause and cancer-related mortality risk was observed among frail patients (HRs = 2.213, 1.617-3.030, P < 0.001; HRs = 2.463, 95%CI = 1.370-4.429, P = 0.003). Frailty individuals demonstrated a more pronounced association with the prediction of all-cause mortality in younger (HRs = 2.230, 1.073-4.634, P = 0.032) than in older adults (HRs = 2.090, 1.475-2.960, P < 0.001). Sensitivity analysis consistently revealed robust results. RCS plots suggested a progressively escalating dose-response correlation between frailty and both all-cause and cancer-related mortality risk.

Conclusions: Pre-frailty did not result in an increase in mortality risks compared to non-frailty. However, frailty caused a higher all-cause and cancer-related mortality risk than non-frailty. Identifying those at risk and implementing targeted interventions may contribute to extending healthy life expectancy, regardless of age.

Keywords: All-cause mortality; Cancer survivors; Cancer-related mortality; Frailty.

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Conflict of interest statement

Declaration of competing interest All authors report no conflicts of interest.