Table 3.
Magnetization transfer ratio (MTR) of all the scanned tendon samples (groups A and B) at different loading steps within the whole and the core sections. The MTR is calculated at 2, 5 and 10 kHz off-resonance frequencies for 1500 deg MT power.
| MTR (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||
| Unloaded | Load 1 | Load 2 | ||||||||
| Sample No | ROI | 2 kHz | 5 kHz | 10 kHz | 2 kHz | 5 kHz | 10 kHz | 2 kHz | 5 kHz | 10 kHz |
| A-1 | Whole | 16.6 | 12.0 | 8.6 | 17.7 | 12.3 | 9.0 | NA | NA | NA |
| Core | 15.8 | 11.5 | 8.2 | 17.8 | 12.3 | 9.2 | NA | NA | NA | |
|
| ||||||||||
| A-2 | Whole | 29.6 | 22.9 | 17.6 | 31.3 | 23.8 | 18.2 | NA | NA | NA |
| Core | 30.2 | 23.2 | 17.5 | 31.8 | 24.2 | 18.3 | NA | NA | NA | |
|
| ||||||||||
| A-3 | Whole | 16.9 | 11.2 | 7.3 | 16.4 | 12.3 | 11.0 | NA | NA | NA |
| Core | 22.8 | 16.1 | 11.5 | 22.8 | 16.6 | 12.1 | NA | NA | NA | |
|
| ||||||||||
| B-1 | Whole | 22.4 | 17.6 | 14.0 | 23.7 | 17.6 | 14.4 | 26.0 | 18.7 | 15.6 |
| Core | 24.1 | 19.3 | 15.3 | 24.9 | 18.1 | 14.8 | 26.8 | 20.0 | 16.1 | |
|
| ||||||||||
| B-2 | Whole | 29.7 | 20.2 | 14.9 | 29.7 | 19.0 | 14.6 | 28.0 | 18.7 | 14.2 |
| Core | 32.2 | 21.2 | 16.5 | 32.7 | 21.0 | 15.8 | 32.0 | 21.9 | 16.1 | |
|
| ||||||||||
| B-3 | Whole | 16.8 | 12.0 | 9.4 | 16.9 | 12.3 | 9.5 | 17.2 | 12.7 | 9.4 |
| Core | 20.5 | 15.5 | 11.5 | 20.5 | 15.0 | 11.4 | 20.8 | 15.0 | 11.3 | |