Variables | Model-development group (n = 52) | Cross-validation group (n = 25) | ||
---|---|---|---|---|
Men ( n = 22) | Women (n = 30) | Men (n = 11) | Women (n = 14) | |
Age, years | 62.1 ± 8.6 | 66.3 ± 5.9 | 67.5 ± 4.9 | 63.7 ± 7.7 |
Height, cm | 166.5 ± 5.6 | 153.5 ± 4.1 | 166.5 ± 5.6 | 154.5 ± 3.0 |
Body mass, kg | 65.0 ± 7.3 | 50.3 ± 5.8 | 67.0 ± 6.5 | 53.1 ± 4.9 |
Body mass index, kg/m2 | 23.4 ± 2.1 | 21.4 ± 2.5 | 24.2 ± 2.5 | 22.2 ± 1.7 |
Limb length, cm | ||||
Thigh | 37.8 ± 1.9 | 34.8 ± 1.5 | 37.9 ± 2.0 | 34.9 ± 1.5 |
Lower leg | 37.0 ± 2.0 | 34.2 ± 1.7 | 37.1 ± 2.2 | 34.1 ± 1.6 |
MT measurements, cm | ||||
Thigh anterior | 4.77 ± 0.53 | 3.84 ± 0.59 | 4.56 ± 0.64 | 3.90 ± 0.57 |
Thigh posterior | 6.12 ± 0.60 | 4.85 ± 0.48 | 6.29 ± 0.46 | 4.98 ± 0.40 |
Lower leg anterior | 3.09 ± 0.24 | 2.56 ± 0.17 | 3.05 ± 0.26 | 2.72 ± 0.28 |
Lower leg posterior | 6.91 ± 0.38 | 5.75 ± 0.37 | 6.99 ± 0.61 | 5.72 ± 0.39 |
DXA measurements total body | ||||
FM, kg | 12.1 ± 3.7 | 13.8 ± 3.7 | 13.1 ± 2.5 | 16.4 ± 2.8 |
LTM, kg | 51.5 ± 4.7 | 35.7 ± 3.0 | 52.4 ± 4.9 | 35.6 ± 2.7 |
BMC, kg | 2.2 ± 0.3 | 1.5 ± 0.2 | 2.2 ± 0.3 | 1.6 ± 0.3 |
%FM, % | 18.2 ± 3.9 | 26.7 ± 5.0 | 19.2 ± 2.8 | 30.4 ± 3.3 |
Right leg | ||||
FM, kg | 1.8 ± 0.6 | 2.5 ± 0.6 | 2.0 ± 0.6 | 3.1 ± 0.7 |
LTM, kg | 8.7 ± 1.2 | 5.8 ± 0.6 | 8.7 ± 0.9 | 6.0 ± 0.6 |