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- Title
Micronutrients and Renal Outcomes: A Prospective Cohort Study.
- Authors
Chen, Chun-Yu; Chiu, Chun-Hui; Wu, I-Wen; Hsu, Heng-Jung; Chen, Yih-Ting; Hsu, Cheng-Kai; Pan, Heng-Chih; Lee, Chin-Chan; Sun, Chiao-Yin
- Abstract
Background: Micronutrients are essential in maintaining normal human physiology. Data regarding the association between micronutrients and renal outcomes in chronic kidney disease (CKD) are lacking. Methods: This prospective observational cohort study enrolled 261 patients with CKD stages 1–5 and 30 subjects with normal renal function. Baseline serum zinc (Zn), selenium (Se), chromium, manganese, and copper, and laboratory tests were performed at enrolment. The primary endpoint was the presence of end-stage renal disease (ESRD) requiring long-term renal replacement therapy. Results: The median follow-up periods of renal and non-renal survivals were 67.78 and 29.03 months, respectively. Multiple linear regression showed that Zn and Se (β ± SE: 24.298 ± 8.616, p = 0.005; 60.316 ± 21.875, p = 0.006, respectively) levels were positively correlated with renal function. Time to ESRD was significantly longer for those with Zn levels ≥1287.24 ng/g and Se levels ≥189.28 ng/g (both p < 0.001). Cox regression analysis identified a higher Zn level as an independently negative predictor of ESRD after adjusting for renal function (hazard ratio, 0.450, p = 0.019). Conclusion: Serum Se and Zn concentrations are positively associated with renal function and better renal outcomes. A higher Zn concentration could independently predict better renal survival.
- Subjects
KIDNEY physiology; CHRONIC kidney failure; CHROMIUM compounds; SCIENTIFIC observation; CONFIDENCE intervals; TIME; MULTIPLE regression analysis; HEALTH outcome assessment; SELENIUM compounds; REGRESSION analysis; ZINC compounds; MANGANESE; SURVIVAL analysis (Biometry); DESCRIPTIVE statistics; MICRONUTRIENTS; COPPER; ODDS ratio; LONGITUDINAL method; PROPORTIONAL hazards models
- Publication
Nutrients, 2022, Vol 14, Issue 15, p3063
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu14153063