Linear Correlation Between The Skeletal Muscle Mass Index There was a negative linear correlation between age and smi (explained variance: r 2 = 0.071, p < 0.001 in men and r 2 = 0.078, p < 0.001 in women) and a positive correlation between bmi and smi. The range of cut offs for asmi by bia was 6.75–7.40 kg m 2 in men and 5.07–5.80 kg m 2 in women, whereas cut offs for skeletal muscle mass index (smi) by bia validated against mri ranged between 7.70 and 9.20 kg m 2 in men and 5.67 and 7.40 kg m 2 in women (without considering severity of sarcopenia).
Linear Correlation Between The Skeletal Muscle Mass Index Yanishi et al. [30] reported a positive correlation between the skeletal muscle index and the cr cystatin c ratio in kidney transplantation patients, but they excluded patients with an egfr of <30. Sarcopenia was defined using independent sex specific cutoffs for skeletal muscle index (smi) at the level of the third lumbar vertebral body (<39 cm2 m2 for women, <55 cm2 m2 for men). The l3 skeletal muscle index (smi) was used to detect sarcopenia and was calculated as the total area of the l3 skeletal muscle divided by the height squared (cm 2 m 2). the cut off points for smi were defined as 43 and 53 cm 2 m 2 for non overweight (body mass index [bmi]< 25 kg m 2 ) and overweight men (bmi≥25 kg m 2 ), respectively, and. Objective the objective of this study was to explore the associations of body mass index (bmi), fat mass index (fmi), skeletal mass index (smi) and secondary osteoporosis (op) in patients with rheumatoid arthritis (ra). methods the bone mineral density (bmd) at sites of the femur neck (neck), total hip (hip) and lumbar vertebrae 1–4 (l1 4) was measured by dual energy x ray absorptiometry.
Linear Correlation Between The Skeletal Muscle Mass Index The l3 skeletal muscle index (smi) was used to detect sarcopenia and was calculated as the total area of the l3 skeletal muscle divided by the height squared (cm 2 m 2). the cut off points for smi were defined as 43 and 53 cm 2 m 2 for non overweight (body mass index [bmi]< 25 kg m 2 ) and overweight men (bmi≥25 kg m 2 ), respectively, and. Objective the objective of this study was to explore the associations of body mass index (bmi), fat mass index (fmi), skeletal mass index (smi) and secondary osteoporosis (op) in patients with rheumatoid arthritis (ra). methods the bone mineral density (bmd) at sites of the femur neck (neck), total hip (hip) and lumbar vertebrae 1–4 (l1 4) was measured by dual energy x ray absorptiometry. Skeletal muscle was quantified based on hounsfield unit (hu) thresholds (−29 to 150), than the smi (cm 2 m 2) was computed dividing the total cross sectional skeletal muscle area (tma cm 2. Baumgartner et al. 11 summed the lean (or fat free) soft tissue mass of the four limbs from a dxa scan as appendicular skeletal muscle mass and defined a skeletal muscle index (smi) as.
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