Table 4 Multiple regression analysis describing micromechanical variables (elastic modulus (E*), ratio (H/E*) and Wplast/Wtot) as a function of the degree of mineralization of bone (DMB), crystallinity, carbonation, mineral/matrix, mineral maturity and collagen maturity.
From: Compositional and mechanical properties of growing cortical bone tissue: a study of the human fibula
Variables | Final adjusted R² | Part correlation (β) | p-value | |
---|---|---|---|---|
Dependent | Independent | |||
JUVENILES GROUP | ||||
E* | DMB | 0.676 | 0.493 | 0.006 |
Crystallinity | −0.141 | 0.474 | ||
Carbonation | 0.687 | 0.000 | ||
Mineral/ Matrix | 0.549 | 0.014 | ||
Mineral maturity | 0.129 | 0.515 | ||
Collagen maturity | −0.224 | 0.322 | ||
H/E* | DMB | 0.154 | 0.086 | 0.744 |
Crystallinity | −0.027 | 0.932 | ||
Carbonation | −0.471 | 0.054 | ||
Mineral/ Matrix | 0.189 | 0.569 | ||
Mineral maturity | −0.447 | 0.172 | ||
Collagen maturity | −0.314 | 0.390 | ||
Wplast/Wtot | DMB | 0.256 | −0.103 | 0.678 |
Crystallinity | 0.143 | 0.631 | ||
Carbonation | 0.386 | 0.088 | ||
Mineral/ Matrix | −0.580 | 0.073 | ||
Mineral maturity | 0.514 | 0.098 | ||
Collagen maturity | 0.382 | 0.267 | ||
ADULTS GROUP | ||||
E* | DMB | 0.479 | 0.736 | 0.004 |
Crystallinity | −0.002 | 0.994 | ||
Carbonation | −0.144 | 0.566 | ||
Mineral/ Matrix | −0.064 | 0.838 | ||
Mineral maturity | 0.010 | 0.972 | ||
Collagen maturity | 0.036 | 0.829 | ||
H/E* | DMB | 0.268 | −0.620 | 0.031 |
Crystallinity | 0.706 | 0.016 | ||
Carbonation | −0.361 | 0.229 | ||
Mineral/ Matrix | 0.285 | 0.441 | ||
Mineral maturity | −0.905 | 0.009 | ||
Collagen maturity | 0.433 | 0.039 | ||
Wplast/Wtot | DMB | 0.330 | 0.482 | 0.075 |
Crystallinity | −0.903 | 0.002 | ||
Carbonation | 0.196 | 0.490 | ||
Mineral/ Matrix | −0.262 | 0.459 | ||
Mineral maturity | 0.884 | 0.008 | ||
Collagen maturity | −0.377 | 0.058 |