Table 4.
Relative changes of mean QUS parameters in postmenopausal groups with respect to control group (%)
| Group 0 | Group 1 | Group 2 | Group 3 | ||
|---|---|---|---|---|---|
| relative changes of mean speed of sound | |||||
| |
Δwl_SOS |
— |
1.42 |
1.76 |
2.40 |
| |
Δl_SOS |
— |
1.67 |
1.88 |
2.71 |
| |
Δwn_SOS |
— |
21.24 |
20.71 |
17.28 |
| relative changes of mean normalized broadband ultrasound attenuation | |||||
| |
Δwl_nBUA |
— |
21.88 |
30.46 |
39.68 |
| |
Δl_nBUA |
— |
22.58 |
29.04 |
40.39 |
| |
Δwn_nBUA |
— |
35.90 |
41.03 |
48.72 |
| relative changes of mean stiffness index | |||||
| |
Δwl_STI |
— |
16.91 |
17.15 |
36.61 |
| |
Δl_STI |
— |
18.54 |
24.12 |
35.35 |
| Δwn_STI | — | 34.30 | 37.79 | 45.35 | |
The prefixes ‘l_’, ‘wl_’ and ‘wn_’ mean “loading”, “without loading” and “weight-normalized”, respectively.