Association of Phenotypic Age Acceleration with All-cause and Cause-specific Mortality Among U.S. Cancer Survivors: a Retrospective Cohort Study

Overview

Journal BMC Cancer

Publisher Biomed Central

Specialty Oncology

Date 2025 Feb 25

PMID 40001013

Authors

Xiaoqiang Liu

Yubin Wang

Yingxuan Huang

Chanchan Lin

Boming Xu

Yilin Zeng

Peizhong Chen

Xiaobo Liu

Yisen Huang

Affiliations

Soon will be listed here.

Abstract

Background: Cancer survivors may experience accelerated biological aging, increasing their risk of mortality. However, the association between phenotypic age acceleration (PAA) and mortality among cancer survivors remains unclear. This study aimed to evaluate the relationship between PAA and all-cause mortality, cancer-specific mortality, and non-cancer mortality among adult cancer survivors in the United States.

Methods: We utilized data from the National Health and Nutrition Examination Survey (NHANES) from 1999 to 2018, including 2,643 (unweighted) cancer patients aged ≥ 20 years. Phenotypic age was calculated using ten physiological biomarkers, and the residuals from regressing phenotypic age on chronological age (age acceleration residuals, AAR) were used to determine PAA status. Participants were divided into PAA and without PAA groups based on the sign of the residuals. Weighted Cox proportional hazards regression models were used to assess the association between PAA and mortality, adjusting for demographic characteristics, lifestyle factors, and comorbidities. Restricted cubic spline (RCS) models were employed to explore the dose-response relationship between AAR and mortality.

Results: Over a median follow-up of 9.16 years, 991 (unweighted) participants died. After adjusting for multiple covariates, PAA was significantly associated with increased risks of all-cause mortality (HR = 2.07; 95% CI: 1.69-2.54), cancer-specific mortality (HR = 2.15; 95% CI: 1.52-3.04), and non-cancer mortality (HR = 2.06; 95% CI: 1.66-2.57). Each one-unit increase in AAR was associated with a 4% increase in the risk of all-cause, cancer-specific, and non-cancer mortality (HR = 1.04; 95% CI: 1.03-1.05). RCS models indicated a linear dose-response relationship between AAR and mortality.

Conclusions: Among U.S. adult cancer survivors, PAA is significantly associated with all-cause, cancer-specific, and non-cancer mortality. PAA may serve as an important biomarker for predicting prognosis in cancer survivors.

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