Table.4.
Subgroup results based on metastases characteristics.
| Characteristic | Sensitivity without TS | Sensitivity with TS |
|---|---|---|
| Metastasis type | ||
| Osteolytic | 0.534 | 0.613 |
| Osteogenic | 0.301 | 0.461 |
| Intertrabecular | 0.024 | 0.120 |
| Mixed | 0.611 | 0.679 |
| Metastasis location | ||
| Skull | 0.583 | 0.611 |
| Scapulae | 0.267 | 0.289 |
| Sternal bone, ribs or claviculae | 0.245 | 0.398 |
| Spine | 0.391 | 0.472 |
| Pelvis | 0.361 | 0.550 |
| Extremities | 0.000 | 0.000 |
| Newly-developed or preexisting | ||
| Newly-developed | 0.314 | 0.471 |
| Preexisting | 0.376 | 0.454 |
| Not available (out of scan range at previous CT) | 0.000 | 0.000 |
| Metastasis size | ||
| > 5 mm to < 10 mm | 0.106 | 0.258 |
| > 10 mm to < 30 mm | 0.292 | 0.398 |
| ≥ 30 mm | 0.612 | 0.743 |
Sensitivity without and with TS for each subgroup of the 160 bone metastases is shown. Cells for which result is inferior in a comparison between without and with TS are bold.
CT computed tomography, TS temporal subtraction.