Related Experiment Video
Updated: Jan 17, 2026
03:52
The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
Published on: February 21, 2025
1.1K
A Novel Sarcopenia Screening Approach Using an Osteoporosis-Inspired T-Score Method
Hyun Sik Kim1,2, Choon Hee Chung3, Jung Woo Lee2,4,5
1Department of Medicine, Wonju College of Medicine, Yonsei University, Wonju, Korea.
Yonsei Medical Journal
|September 24, 2025
Summary
A new screening method using the expected muscle functionality (eMF) indicator and a T-score accurately detects sarcopenia. This approach improves early identification and management of the condition.
Area of Science:
- Gerontology
- Public Health
- Biostatistics
Background:
- Sarcopenia, characterized by muscle loss and weakness, necessitates effective early detection indicators.
- Current screening methods may lack sufficient accuracy for timely intervention.
Purpose of the Study:
- To introduce and validate a novel screening method for sarcopenia using the expected muscle functionality (eMF) indicator and an osteoporosis-inspired T-score.
- To assess the performance of this new method in identifying sarcopenia.
Main Methods:
- Developed a logistic regression model for eMF using grip strength, BMI, waist circumference, and age in 4052 Korean adults (KNHANES).
- Validated the model with 888 individuals (KoGES), deriving a T-score by standardizing eMF against young adults.
- Established T-score cutoffs (-1.1 for men, -1.8 for women) for sarcopenia diagnosis based on kernel density estimation.
Main Results:
- The eMF-based indicator demonstrated high performance with sensitivity (0.900), specificity (0.889), accuracy (0.890), and AUC (0.932).
- Analysis of false negatives and positives provided insights into related conditions like sarcopenic obesity and possible sarcopenia.
Conclusions:
- The eMF-T-score indicator significantly enhances sarcopenia screening accuracy.
- This novel method supports earlier detection and management, potentially improving patient outcomes and healthcare efficiency.
