Table 2:
Univariate associations between bone marrow adipose tissue at the spine and hip and bone parameters in cross-sectional study participants (n=89). NS=not significant.
| Bone marrow adipose tissue at L4 Vertebra (lipid/water) |
Bone marrow adipose tissue at femoral epiphysis (lipid/water) |
Bone marrow adipose tissue at femoral diaphysis (lipid/water) |
Bone marrow adipose tissue at femoral metaphysis (lipid/water) |
|
|---|---|---|---|---|
| Bone mineral density (BMD) | ||||
| Lumbar spine BMD (g/cm2) | rho= −0.49 p < 0.0001 |
NS | rho= −0.41 p < 0.0001 |
rho= −0.60 p < 0.0001 |
| Lateral spine BMD (g/cm2) | rho= −0.57 p < 0.0001 |
NS | rho= −0.31 p < 0.004 |
rho= −0.62 p < 0.0001 |
| Total Hip BMD (g/cm2) | rho= −0.55 p < 0.0001 |
NS | rho= −0.40 p = 0.0001 |
rho= −0.63 p < 0.0001 |
| Femoral neck BMD (g/cm2) | rho= −0.54 p < 0.0001 |
NS | rho= −0.40 p < 0.0001 |
rho= −0.63 p < 0.0001 |
| Total body BMD (g/cm2) | rho= −0.51 p < 0.0001 |
NS | rho= −0.34 p = 0.001 |
rho= −0.52 p < 0.0001 |
| Microarchitecture parameters at radius | ||||
| Trabecular BV/TV (%) | rho= −0.42 p < 0.0001 |
rho= −0.27 p = 0.01 |
rho= −0.31 p < 0.004 |
rho= −0.50 p < 0.0001 |
| Trabecular number (1/mm)* | rho= −0.30 p = 0.004 |
NS | rho= −0.23 p = 0.03 |
rho= −0.43 p < 0.0001 |
| Trabecular thickness (mm) | rho= −0.32 p = 0.002 |
rho= −0.23 p = 0.03 |
rho= −0.22 p = 0.04 |
rho= −0.30 p < 0.005 |
| Trabecular separation (mm) | rho= 0.34 p = 0.001 |
NS | rho= 0.27 p = 0.01 |
rho= 0.47 p < 0.0001 |
| Cortical thickness (mm) | rho= −0.45 p < 0.0001 |
NS | rho= −0.35 p = 0.0009 |
rho= −0.40 p = 0.0001 |
| Estimates of bone strength at radius | ||||
| Stiffness (kN/mm) | rho= −0.40 p < 0.0001 |
NS | NS | rho= −0.42 p < 0.0001 |
| Failure load (kN) | rho= −0.41 p < 0.0001 |
NS | NS | rho= −0.44 p < 0.0001 |
| Microarchitecture parameters at tibia | ||||
| Trabecular BV/TV (%) | rho= −0.33 p < 0.002 |
NS | NS | rho= −0.37 p = 0.0003 |
| Trabecular number (1/mm)* | rho= −0.38 p = 0.0003 |
NS | rho= −0.33 p < 0.002 |
rho= −0.49 p < 0.0001 |
| Trabecular thickness (mm) | NS | NS | NS | NS |
| Trabecular separation (mm) | rho= 0.37 p = 0.0003 |
NS | rho= 0.31 p < 0.003 |
rho= 0.49 p < 0.0001 |
| Cortical thickness (mm) | rho= −0.37 p = 0.0004 |
NS | rho= −0.33 p < 0.002 |
rho= −0.42 p < 0.0001 |
| Estimates of bone strength at tibia | ||||
| Stiffness (kN/mm) | rho= −0.35 p = 0.0008 |
NS | NS | rho= −0.39 p = 0.0002 |
| Failure load (kN) | rho= −0.35 p = 0.0008 |
NS | NS | rho= −0.39 p = 0.0001 |