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Longitudinal Observation of Muscle Mass over 10 Years According to Serum Calcium Levels and Calcium Intake among Korean Adults Aged 50 and Older: The Korean Genome and Epidemiology Study

Authors
 Young-Sang Kim  ;  Kyung-Won Hong  ;  Kunhee Han  ;  Yon Chul Park  ;  Jae-Min Park  ;  Kwangyoon Kim  ;  Bom-Taeck Kim 
Citation
 NUTRIENTS, Vol.12(9) : 2856, 2020-09 
Journal Title
 NUTRIENTS 
Issue Date
2020-09
Keywords
calcium ; calcium intake ; muscle ; muscle mass ; serum calcium
Abstract
The aim of this study was to investigate the longitudinal change in muscle mass over 10 years according to serum calcium levels and calcium intake. A total of 1497 men and 1845 women aged 50 years and older were included. Significant muscle loss (SML) was defined as a 5% or greater loss from baseline, while time-dependent development of SML was assessed according to quartiles for corrected calcium level and daily calcium intake using Cox regression models. The incidence of SML was 6.7 and 7.7 per 100-person-years among men and women, respectively. Groups with the lowest corrected calcium levels had more prominent SML than those with higher calcium levels, regardless of sex. The relationship between SML and calcium intake was significant only among women. The hazard ratio for SML per 1 mmol/L increase in corrected calcium level was 0.236 and 0.237 for men and women, respectively. In conclusion, low serum calcium levels may predict SML among adults aged ≥ 50 years, while low calcium intake may be a predictor for muscle loss among women. Therefore, encouraging dietary calcium intake among middle-aged and older adults for preservation of muscle mass should be considered.
Files in This Item:
T202004110.pdf Download
DOI
10.3390/nu12092856
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
Yonsei Authors
Park, Jae Min(박재민) ORCID logo https://orcid.org/0000-0001-8873-8832
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/180127
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