Questioning skeletal muscle index for muscle mass reduction assessment in computed tomography: Why square the height?

Computes Tomography (CT) scans are commonly used to assess muscle mass reduction by measuring skeletal muscle area (SMA) at the third lumbar vertebra (L3) level. The skeletal muscle index (SMI), which normalizes SMA by height squared, is the current reference standard for evaluating muscle mass redu...

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Bibliographic Details
Published in:	Clinical nutrition (Edinburgh, Scotland) Vol. 52; pp. 1 - 7
Main Authors:	Giai, Joris, Veloso, Mélanie, Vilotitch, Antoine, Charrière, Katia, Bétry, Cécile
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01.09.2025
Subjects:	Adult Aged Body Height Body Mass Index Female Humans Inpatients Linear models Male Malnutrition Middle Aged Muscle, Skeletal - diagnostic imaging Radiographic Tomography Retrospective Studies Sarcopenia Sarcopenia - diagnostic imaging Skeletal muscle index Tomography, X-Ray Computed - methods Radiographic Tomography Skeletal muscle index Sarcopenia Inpatients Malnutrition Linear models
ISSN:	0261-5614, 1532-1983, 1532-1983
Online Access:	Get full text
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