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. 2023 Jun 8;15(1):122.
doi: 10.1186/s13098-023-01083-0.

Contribution of CKD to mortality in middle-aged and elderly people with diabetes: the China Health and Retirement Longitudinal Study : CKD was a chronic stressor for diabetics

Xihong Liao  1 , Ke Shi  2   3   4 , Yumeng Zhang  2   3   4 , Xiaoxu Huang  2   3   4 , Ning Wang  2   3   4 , Ling Zhang  5 , Xiaohuan Zhao  6   7   8
Affiliations

Contribution of CKD to mortality in middle-aged and elderly people with diabetes: the China Health and Retirement Longitudinal Study : CKD was a chronic stressor for diabetics

Xihong Liao et al. Diabetol Metab Syndr. .

Abstract

Background: The contribution of chronic kidney disease (CKD) to mortality in diabetic patients is unclear. This study aimed to explore the association between diabetics with CKD and mortality in middle-aged and elderly people of different ages.

Methods: Data were obtained from the China Health and Retirement Longitudinal Study, including 1,715 diabetic individuals, 13.1% of whom also had CKD. Diabetes and CKD were assessed by combining the physical measurements and self-reports. We fitted Cox proportional hazards regression models to examine the effect of diabetics with CKD on mortality in middle-aged and elderly people. The risk factors for death were further predicted based on age stratification.

Results: The mortality rate of diabetic patients with CKD (29.3%) was increased as compared to that of diabetic patients without CKD (12.4%). Diabetics with CKD were at a higher risk of all-cause mortality than those without CKD, with a hazard ratio of 1.921 (95% CI: 1.438, 2.566). Additionally, for participants 45 to 67 years of age, the hazard ratio was 2.530 (95% CI: 1.624, 3.943).

Conclusions: Our findings suggested that, for diabetics, CKD was a chronic stressor that led to death in middle-aged and elderly people, especially among participants aged 45 to 67 years.

Keywords: CHARLS; CKD; Diabetics; Mortality.

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Conflict of interest statement

None of the authors has financial or other conflicts of interest concerning this study.

None of the authors has financial or other conflicts of interest concerning this study.

Figures

Fig. 1
Fig. 1
Kaplan-Meier plot showing diabetes-related mortality rates by CKD status
See this image and copyright information in PMC

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