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Nutritional Status and Renal Function in Relation to Frailty among the Community-Dwelling Elderly Taiwanese Population

  • Original Research
  • Published:
The journal of nutrition, health & aging

Abstract

Objectives

Frailty is a significant public health and clinical issue among the elder population. This study aimed to evaluate the nutritional status and renal function in relation to frailty among elderly Taiwanese.

Design

We administered community-based health surveys to the elder population in Chiayi County, Taiwan, from 2017 to 2019.

Measurements

We measured nutritional status (including serum albumin and total protein levels), renal function (including serum blood urea nitrogen, creatinine, urine protein, and urine creatinine levels), hand grip strength (GS) and calculated appendicular muscle mass (AMM).

Results

The study recruited 3739 participants (2139 women). Participants of both sexes with normal GS had higher serum albumin levels and lower urine protein/creatinine ratios (UPCRs). For the men with normal and weak GS, serum albumin levels were 4.15 ± 0.2 and 4.10 ± 0.2 g/dL (p < 0.01), and UPCRs were 123.1 ± 219.6 and 188.7 ± 366.2 (p < 0.001), respectively. GS was positively correlated with serum albumin and urine creatinine levels (r = 0.136 and 0.177, both p < 0.001). AMM was also positively correlated with serum albumin and urine creatinine levels (r = 0.078 and 0.091, both p < 0.001). In the multivariate regression model, for every 1 g/dL increase in serum albumin level, there was a 1.9 and 1.7-kg increase in GS for men and women (p < 0.05 and p < 0.01), respectively. The final model for predicting GS included age, albumin, BUN, and UPCR (urine creatinine for women) which presented a variance of 22.1% and 13.8%, respectively.

Conclusion

Proper dietary nutritional intake and maintaining renal function are key elements for preventing frailty among elder population in Taiwan.

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Acknowledgement

The authors thank Ms. Winnie Chu for her English writing and correction.

Funding

Funding: This research received no external funding.

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Authors and Affiliations

Authors

Contributions

Author contributions: Dr. Chang CY: data analysis, manuscript writing and discussion. Dr. Lin MS: data analysis, manuscript processing and discussion. Dr. Kuo CC: data discussion and manuscript formatting. Dr. Lu CH: supervision and discussion. Prof. Wu DM: data processing and analysis, manuscript formatting. Dr. Tsai MK: instruction and supervision. Prof. Chu NF: study design, data discussion, manuscript formatting and supervision

Corresponding author

Correspondence to Nain-Feng Chu.

Ethics declarations

Conflict of interest: No potential conflict of interest relevant to this article was reported.

Ethical standard: The authors declare that the study procedures comply with current ethical standards for research involving human participants in Taiwan.

Additional information

Institutional Review Board Statement: The study was conducted according to the guidelines of the Declaration of Helsinki, and approved by the Institutional Review Board of Tri-service General Hospital approved this study (Approval No.: TSGHIRB-1-108-05-073).

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Chang, CY., Lin, MH., Kuo, CC. et al. Nutritional Status and Renal Function in Relation to Frailty among the Community-Dwelling Elderly Taiwanese Population. J Nutr Health Aging 26, 6–12 (2022). https://doi.org/10.1007/s12603-021-1714-3

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  • DOI: https://doi.org/10.1007/s12603-021-1714-3

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