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Title 

Prediction of sarcopenia using a combination of multiple serum biomarkers

Authors 

Ju Yeon KwakH HwangSeon-Kyu KimJeong Yi ChoiSeung Min LeeH BangEun Soo KwonKwang-Pyo LeeS G ChungKi-Sun Kwon

Publisher 

Nature Publishing Group

Issue Date 

2018

Citation 

Scientific Reports

Abstract 

Sarcopenia is a gradual loss of skeletal muscle mass and function with aging. Given that sarcopenia has been recognized as a disease entity, effective molecular biomarkers for early diagnosis are required. We recruited 46 normal subjects and 50 patients with moderate sarcopenia aged 60 years and older. Sarcopenia was clinically identified on the basis of the appendicular skeletal muscle index by applying cutoff values derived from the Asian Working Group for Sarcopenia. The serum levels of 21 potential biomarkers were analyzed and statistically examined. Interleukin 6, secreted protein acidic and rich in cysteine, macrophage migration inhibitory factor, and insulin-like growth factor 1 levels differed significantly between the normal and sarcopenia groups. However, in each case, the area under the receiver operating characteristics curve (AUC) was <0.7. Subsequent combination of the measurements of these biomarkers into a single risk score based on logistic regression coefficients enhanced the accuracy of diagnosis, yielding an AUC value of 0.763. The best cutoff value of 1.529 had 70.0% sensitivity and 78.3% specificity (95% CI = 2.80-21.69, p < 0.0001). Combined use of the selected biomarkers provides higher diagnostic accuracy than individual biomarkers, and may be effectively utilized for early diagnosis and prognosis of sarcopenia

ISSN 

2045-2322

Link 

http://dx.doi.org/10.1038/s41598-018-26617-9

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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