| Grade 0 (n = 15) | Grade 1 (n = 18) | Grade 2 (n = 7) | p-values |
---|
Bone SPECT/CT | 1.54 ± 0.18 | 1.80 ± 0.31 | 1.81 ± 0.19 | 0.007* |
Bone scintigraphy | 1.00 ± 0.20 | 1.17 ± 0.18 | 1.17 ± 0.16 | 0.065 |
- SIS = sacroiliac joint to sacrum, SPECT/CT = single positron emission computed tomography/computed tomography; SI = sacroiliac.
- *Statistically significant group difference exists between grade 0 vs. grade 1 and grade 0 vs. grade 2 of plain radiography in post hoc analysis.