| Overall | P | Nodal | P | Extranodal | P |
---|
Sensitivity§ |
WB-DWIBS/STIR (R1) | 95.1 | 0.117 | 95.4 | 0.511 | 94.9 | 0.058 |
WB-DWIBS/STIR (R2) | 93.4 | 93.0 | 96.8 |
18F-FDG-PET/CT (R1) | 91.8 | 94.1 | 79.6 |
18F-FDG-PET/CT (R2) | 89.3 | 91.1 | 86.3 |
Specificity§ |
WB-DWIBS/STIR (R1) | 99.4 | <  0.001 | 99.3 | <  0.001 | 99.5 | 0.439 |
WB-DWIBS/STIR (R2) | 99.0 | 98.8 | 99.3 |
18F-FDG-PET/CT (R1) | 97.3 | 95.4 | 98.9 |
18F-FDG-PET/CT (R2) | 95.6 | 92.1 | 98.6 |
- §Data does not reflect bone marrow involvement of lymphoma. Data are shown as percentages. Generalized estimating equations were used for sensitivity and specificity comparisons to allow multiple regions per patient to be taken into account. R1 observer 1, R2 observer 2, WB-DWIBS/STIR whole-body diffusion-weighted imaging with background body signal suppression and T2-weighted short-tau inversion recovery magnetic resonance imaging, 18F-FDG-PET/CT = 18F-fluorodeoxyglucose-positron emission tomography-computed tomography