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Table 2 Analysis of the SIS ratio of bone SPECT/CT according to SI joint grade in plain radiography

From: The usefulness of bone SPECT/CT imaging with volume of interest analysis in early axial spondyloarthritis

 

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

  1. SIS = sacroiliac joint to sacrum, SPECT/CT = single positron emission computed tomography/computed tomography; SI = sacroiliac.
  2. *Statistically significant group difference exists between grade 0 vs. grade 1 and grade 0 vs. grade 2 of plain radiography in post hoc analysis.