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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Bone. 2015 Apr 10;77:83–90. doi: 10.1016/j.bone.2015.04.005

Table 4. Stepwise Regressions of VAT/SAT, MAT (L4 MAT, metaphyseal MAT or diaphyseal MAT) and thigh muscle cross-sectional area (CSA) with bone parameters for all subjects.

Estimate Std error t-ratio p-value R2 Estimate Std error t-ratio p-value R2
DXA Lumbar Spine DXA Hip
L BMD Z-score 0.0002 0.41 Hip BMD Z-score 0.0004 0.38
VAT/SAT -2.87 1.18 -2.42 0.02 VAT/SAT -0.60 1.16 -0.52 0.61
Thigh muscle CSA 0.0001 5.14 2.53 0.02 Thigh muscle CSA 0.0002 4.97 3.82 0.001
Log L4 MAT -1.15 0.44 -2.62 0.01 Log L4 MAT -0.95 0.43 -2.21 0.03
L BMD Z-score 0.01 0.26 Hip BMD Z-score 0.01 0.29
VAT/SAT -2.93 1.32 -2.22 0.03 VAT/SAT -0.25 1.20 -0.21 0.84
Thigh muscle CSA 0.0001 5.69 2.44 0.02 Thigh muscle CSA 0.0002 5.12 3.77 0.001
Metaphyseal MAT -0.02 0.05 -0.48 0.63 Metaphyseal MAT -0.03 0.04 -0.80 0.43
L BMD Z-score 0.004 0.32 Hip BMD Z-score 0.004 0.31
VAT/SAT -3.24 1.35 -2.40 0.02 VAT/SAT -0.75 1.31 -0.58 0.57
Thigh muscle CSA 0.0002 5.62 2.59 0.01 Thigh muscle CSA 0.0002 5.37 3.78 0.001
Diaphyseal MAT -0.05 0.04 -0.87 0.39 Diaphyseal MAT -0.02 0.04 -0.44 0.66
HRpQCT RADIUS (total, cortical and trabecular) HRpQCT TIBIA (total, cortical and trabecular)
Total vBMD (mgHA/cm3) 0.01 0.28 Total vBMD (mgHA/cm3) 0.03 0.22
VAT/SAT 53.30 74.33 0.72 0.48 VAT/SAT 101.11 80.28 1.26 0.22
Thigh muscle CSA -0.003 0.003 -1.04 0.30 Thigh muscle CSA 0.003 0.003 1.01 0.32
Log L4 MAT -97.72 27.53 -3.55 0.001 Log L4 MAT -84.91 29.73 -2.86 0.01
Total vBMD (mgHA/cm3) 0.26 0.11 Total vBMD (mgHA/cm3) 0.19 0.13
VAT/SAT 65.73 83.24 0.79 0.45 VAT/SAT 122.54 85.35 1.44 0.16
Thigh muscle CSA -0.002 0.004 -0.56 0.58 Thigh muscle CSA 0.005 0.004 1.29 0.21
Metaphyseal MAT -5.24 3.05 -1.72 0.10 Metaphyseal MAT -5.34 3.11 -1.72 0.10
Total vBMD (mgHA/cm3) 0.03 0.25 Total vBMD (mgHA/cm3) 0.04 0.22
VAT/SAT 95.63 77.72 1.23 0.23 VAT/SAT 135.35 83.76 1.62 0.12
Thigh muscle CSA -0.002 0.003 -0.57 0.57 Thigh muscle CSA 0.005 0.003 1.44 0.16
Diaphyseal MAT -7.67 2.49 -3.08 0.004 Diaphyseal MAT -6.60 2.65 -2.49 0.02
Cortical vBMD (mgHA/cm3) 0.001 0.38 Cortical vBMD (mgHA/cm3) 0.22 0.12
VAT/SAT -55.73 54.80 -1.02 0.32 VAT/SAT -32.93 58.55 -0.56 0.58
Thigh muscle CSA -0.008 0.002 -3.30 0.002 Thigh muscle CSA -0.002 0.003 -0.82 0.42
Log L4 MAT -63.95 20.30 -3.15 0.003 Log L4 MAT -40.04 21.68 -1.85 0.07
Cortical vBMD (mgHA/cm3) 0.03 0.23 Cortical vBMD (mgHA/cm3) 0.73 0.04
VAT/SAT -74.22 64.08 -1.16 0.26 VAT/SAT -62.16 63.83 -0.97 0.34
Thigh muscle CSA -0.01 0.003 -2.45 0.02 Thigh muscle CSA -0.002 0.003 -0.54 0.60
Metaphyseal MAT -2.42 2.34 -1.03 0.31 Metaphyseal MAT -0.34 2.33 -0.14 0.89
Cortical vBMD (mgHA/cm3) 0.03 0.24 Cortical vBMD (mgHA/cm3) 0.91 0.02
VAT/SAT -39.72 60.78 -0.65 0.52 VAT/SAT -17.01 61.89 -0.27 0.79
Thigh muscle CSA -0.01 0.003 -2.68 0.01 Thigh muscle CSA -0.001 0.003 -0.51 0.62
Diaphyseal MAT -3.03 1.95 -1.56 0.13 Diaphyseal MAT -0.81 1.96 -0.41 0.68
Trabecular vBMD (mgHA/cm3) 0.36 0.09 Trabecular vBMD (mgHA/cm3) 0.04 0.21
VAT/SAT 45.62 60.49 0.75 0.46 VAT/SAT 49.24 53.32 0.92 0.36
Thigh muscle CSA 0.004 0.003 1.47 0.15 Thigh muscle CSA 0.01 0.002 2.55 0.02
Log L4 MAT -20.25 22.41 -0.90 0.37 Log L4 MAT -29.54 19.74 -1.50 0.14
Trabecular vBMD (mgHA/cm3) 0.29 0.11 Trabecular vBMD (mgHA/cm3) 0.01 0.30
VAT/SAT 79.64 58.71 1.36 0.18 VAT/SAT 93.85 46.78 2.01 0.05
Thigh muscle CSA 0.004 0.003 1.52 0.14 Thigh muscle CSA 0.01 0.002 3.13 0.004
Metaphyseal MAT -2.13 2.15 -0.99 0.33 Metaphyseal MAT -4.08 1.71 -2.39 0.02
Trabecular vBMD (mgHA/cm3) 0.26 0.12 Trabecular vBMD (mgHA/cm3) 0.04 0.22
VAT/SAT 66.80 63.35 1.05 0.30 VAT/SAT 60.71 56.74 1.07 0.29
Thigh muscle CSA 0.004 0.003 1.60 0.12 Thigh muscle CSA 0.01 0.002 2.69 0.01
Diaphyseal MAT -2.38 2.03 -1.18 0.25 Diaphyseal MAT -2.58 1.79 -1.44 0.16