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Platelet and white blood cell count are independently associated with sarcopenia: A nationwide population-based study

 Hye Sun Lee  ;  Il-Hyun Koh  ;  Hyoung-Sik Kim  ;  Yu-Jin Kwon 
 THROMBOSIS RESEARCH, Vol.183 : 36-44, 2019 
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Issue Date
Chronic inflammation ; Platelet ; Sarcopenia ; White blood cell
INTRODUCTION: Sarcopenia is attracting increasing attention due to its harmful impacts on health. Chronic inflammation is proposed to be a major cause of sarcopenia. Here, we aimed to identify whether white blood cell (WBC) and platelet count have independent roles in sarcopenia occurrence.

METHOD AND MATERIALS: This cross-sectional study analyzed 10,092 adults (4293 men and 5799 women) from the 2008-2011 Korea National Health and Nutrition Survey. Cut-off values for sarcopenia were defined as a skeletal muscle mass index <0.789 for men and <0.512 for women. We calculated odds ratios (ORs) and 95% confidence intervals (CIs) using multiple logistic regression analysis after adjusting for confounding variables. ROC curve analysis was used to evaluate the ability of platelet count and white blood cell count to discriminate the presence of sarcopenia.

RESULTS: After adjusting for possible confounders, the OR (95% CI) for sarcopenia occurrence according to platelet counts was 1.62 (1.20-2.19) for the T3 group in men and 1.72 (1.28-2.31) for the T3 group in women, relative to the lowest platelet count tertile. After adjusting for same confounders, the ORs (95% CI) for sarcopenia occurrence according to WBC counts was 1.86 (1.35-2.57) for the T3 group in men, and 2.36 (1.77-3.13) for the T3 group in women, relative to the lowest WBC count tertile. We also found independent significant associations between platelet count, WBC count, and sarcopenia.

CONCLUSIONS: Higher platelet and WBC counts within the normal range are each independently associated with sarcopenia in Korean men and women. The inclusion of platelet, WBC, or combined platelet and WBC counts significantly improved the power to discriminate sarcopenia.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Koh, Il Hyun(고일현) ORCID logo https://orcid.org/0000-0001-9823-8516
Kwon, Yu-Jin(권유진) ORCID logo https://orcid.org/0000-0002-9021-3856
Kim, Hyoung Sik(김형식) ORCID logo https://orcid.org/0000-0002-9303-4116
Lee, Hye Sun(이혜선) ORCID logo https://orcid.org/0000-0001-6328-6948
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