DXA-derived abdominal fat-free mass to predict MRI skeletal muscle mass in postmenopausal women

被引：0

作者：

Walker, E. ^{[1
]}

Chalke, A. M. ^{[1
]}

Bland, V. L. ^{[2
]}

Lind, K. E. ^{[3
]}

Chen, Z. ^{[1
]}

Blew, R. M. ^{[3
]}

Odegaard, A. O. ^{[4
]}

Thomson, C. A. ^{[3
]}

Caan, B. ^{[5
]}

Nicholas, J. S. ^{[6
]}

Valencia, C. I. ^{[7
]}

Roe, D. J. ^{[1
]}

Allison, M. ^{[8
]}

Schnatz, P. F. ^{[9
]}

Wactawski-Wende, J. ^{[10
]}

Bea, J. W. ^{[3
]}

机构：

[1] Univ Arizona, Mel & Enid Zuckerman Coll Publ Hlth, Dept Epidemiol & Biostat, Tucson, AZ USA

[2] Univ Arizona, Sch Nutr Sci & Wellness, Tucson, AZ USA

[3] Univ Arizona, Mel & Enid Zuckerman Coll Publ Hlth, Dept Hlth Promot Sci, Tucson, AZ 85721 USA

[4] Univ Calif Irvine, Dept Epidemiol & Biostat, Irvine, CA USA

[5] Kaiser Permanente Div Res, Oakland, CA USA

[6] Univ Arizona, Coll Pharm, Tucson, AZ USA

[7] Univ Arizona, Coll Med Tucson, Dept Family & Community Med, Tucson, AZ USA

[8] Univ Calif San Diego, Family Med & Publ Hlth, San Diego, CA USA

[9] Drexel Univ, Coll Med, Dept Obstet & Gynecol, Philadelphia, PA USA

[10] SUNY Buffalo, Sch Publ Hlth & Hlth Profess, Buffalo, NY USA

来源：

CANADIAN JOURNAL OF PLANT SCIENCE | 2024年

基金：

美国国家卫生研究院;

关键词：

postmenopause; body composition; absorptiometry; abdominal muscle mass; magnetic resonance imaging; lean mass; X-RAY ABSORPTIOMETRY; ADIPOSE-TISSUE; CANCER;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Dual-energy X-ray absorptiometry (DXA) is more available than gold-standard magnetic resonance imaging (MRI), but DXA ability to estimate abdominal skeletal muscle mass (SMM) is unknown. DXA-derived abdominal fat-free mass (FFM; Hologic QDR2000 or QDR4500w) was correlated with single-slice MRI SMM at L4 (N = 69; r QDR2000 = 0.71, QDR4500w = 0.69; p < 0.0001). Linear regression to predict SMM, including DXA FFM, BMI, and age, resulted in an R-squared of 0.72 and 0.65 for QDR2000 and QDR4500. Bland-Altman limits of agreement were +/- 21 and +/- 31 g for 2-3 standard deviations from the mean difference. DXA predicted abdominal SSM is a moderate proxy for MRI abdominal SMM.

引用

页数：5

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