Table 3.
Multiple linear regression model of the yield stress.
| Indep. variables | coef | [0.025 | 0.975] | P > |t| | No. Obs | R2 | R2adj | AIC |
|---|---|---|---|---|---|---|---|---|
| Intercept | −3.89 | −11.515 | 3.732 | 0.31 | 54 | 0.79 | 0.77 | 255 |
| BV/TV | 83.06 | 68.754 | 97.371 | <0.001* | ||||
| Age | −0.01 | −0.078 | 0.67 | 0.88 | ||||
| Sex (male) | −1.95 | −3.575 | −0.322 | 0.02* | ||||
| Intercept | −6.21 | −9.654 | −2.773 | <0.001* | 54 | 0.76 | 0.76 | 257 |
| BV/TV | 88.60 | 74.841 | 102.358 | <0.001* | ||||
| Intercept | 0.35 | −4.138 | 4.847 | 0.87 | 40 | 0.92 | 0.92 | 137 |
| yield strength μFE | 0.98 | 0.862 | 1.092 | <0.001* | ||||
| Age | −0.00 | −0.048 | 0.044 | 0.92 | ||||
| Sex (male) | −0.71 | −1.854 | 0.426 | 0.21 | ||||
| Intercept | −0.52 | −1.995 | 0.963 | 0.48 | 40 | 0.92 | 0.92 | 134 |
| yield strength μFE | 1.01 | 0.914 | 1.111 | <0.001* | ||||
| Intercept | −5.33 | −22.559 | 11.895 | 0.53 | 41 | 0.54 | 0.50 | 230 |
| DXA aBMD | 31.20 | 17.941 | 44.458 | <0.001* | ||||
| Age | 0.04 | −0.109 | 0.192 | 0.58 | ||||
| Sex (male) | −6.39 | −9.121 | −3.659 | <0.001* | ||||
| Intercept | 2.17 | −4.877 | 9.215 | 0.54 | 41 | 0.26 | 0.24 | 245 |
| DXA aBMD | 21.96 | 10.525 | 33.402 | <0.001* | ||||
| Intercept | 9.24 | −1.007 | 19.488 | 0.08 | 41 | 0.71 | 0.68 | 211 |
| yield strength hFE | 0.70 | 0.509 | 0.882 | <0.001* | ||||
| Age | −0.04 | −0.153 | 0.073 | 0.48 | ||||
| Sex (male) | −2.79 | −5.091 | −0.491 | 0.02 | ||||
| Intercept | 3.87 | 0.961 | 6.785 | 0.01* | 41 | 0.65 | 0.64 | 214 |
| yield strength hFE | 0.78 | 0.596 | 0.964 | <0.001* |
Abbreviation: DXA aBMD: dual-energy X-ray absorptiometry areal bone density, BV/TV: bone apparent density, hFEA: homogenized finite element analysis, μFEA: micro finite element analysis, yield stress with 0.1 % offset. * p ≤ 0.01.