Table 2.
Observer scores for whole-body diffusion-weighted imaging (WB-DWI) were significantly higher than for x-ray skeletal survey (SS) for whole skeleton and in every body region outside of the skull.
|
Region |
Observer 1 scores (mean ± SD) |
Observer 2 scores (mean ± SD) |
WB-DWI & SS Paired t-test (p) |
|||
|---|---|---|---|---|---|---|
| WB-DWI | SS | WB-DWI | SS | Obs 1 | Obs 2 | |
| Skull | 5.3 ± 3.5 | 3.1 ± 2.3 | 2.3 ± 2.9 | 2.5 ± 1.6 | 0.03 | 0.83 |
| C spine | 5.8 ± 2.7 | 3.3 ± 3.5 | 4.6 ± 3.3 | 0.7 ± 1.2 | 0.04 | <0.0001 |
| D spine | 6.9 ± 1.9 | 5.2 ± 3.5 | 6.5 ± 2.1 | 0.8 ± 1.6 | 0.04 | <0.0001 |
| L spine | 6.5 ± 2.1 | 3.8 ± 3.6 | 4.8 ± 3.2 | 1.0 ± 1.4 | 0.003 | 0.0002 |
| Pelvis | 5.8 ± 2.6 | 2.4 ± 2.9 | 5.1 ± 2.7 | 1.4 ± 1.9 | 0.0001 | <0.0001 |
| Ribs/other | 7.3 ± 1.3 | 2.8 ± 2.7 | 6.1 ± 3.0 | 1.3 ± 1.7 | <0.0001 | <0.0001 |
| Long bones | 5.4 ± 2.8 | 2.1 ± 2.0 | 4.9 ± 2.9 | 1.7 ± 1.6 | 0.0002 | 0.0001 |
| Whole skeleton | 42.4 ± 12.8 | 22.2 ± 15.5 | 33.9 ± 14.4 | 9.1 ± 7.7 | <0.0001 | <0.0001 |