Table V.
Stepwise regression analysis to explore the determinants for QUS parameters.
| Dependent variable | Independent variable | Std coefficient | P-values (Coefficient) | P-values (Model) |
|---|---|---|---|---|
| SOS | BMI | 0.363 | 0.008b | 0.003b |
| Ln(ucOC) | −0.297 | 0.027a | ||
| TI | BW | 0.488 | <0.001b | <0.001b |
| 25-OH-D | 0.308 | 0.014a | ||
| OSI | BW | 0.457 | <0.001b | <0.001b |
| 25-OH-D | 0.272 | 0.033a | ||
| Ln(ucOC) | −0.207 | 0.100 |
a
P<0.05
b
P<0.01. Std coefficient, standardized coefficient; P (Coefficient), P-value of the coefficient; P (Model), P-value of the model; CI, confidence index; SOS, speed of sound; TI, transmission index; OSI, osteo-sono-assessment index; BMI, body mass index; Ln(ucOC), log transformed serum concentration of undercarboxylated osteocalcin; BW, body weight; 25-OH-D, 25-hydroxyvitamin D.