From: Spondyloarthritis Research Consortium of Canada sacroiliac joint inflammation and structural scores: change score reliability and recalibration utility in children
Component
All raters
Mean (range)
SPARCC developers
Inflammation
0.93 (0.9–0.95)
0.91
Backfill
0.55 (0.35–0.96)
0.38
Fat metaplasia
0.36 (0.34–0.47)
0.30
Sclerosis
0.70 (0.57–0.88)
0.67
Erosion
0.96 (0.7–1.39)
0.78
Ankylosis
0.28 (0.24–0.31)
0.25