Distribution of spinal damage in patients with axial spondyloarthritis as assessed by MRI: a prospective and blinded study

Table 3 Spearman’s correlation of structural changes of the vertebral column on spinal mobility and function in 55 patients with axial SpA

	BASMI	BASFI
Syndesmophytes^a, r (95%CI)	0.30^* (0.04–0.53)	0.26 (−0.05-0.50)
Bridging^b, r (95%CI)	0.43^# (0.18–0.62)	0.22 (−0.06-0.46)
Partial ankylosis/fusion (facet joints), r (95%CI)	0.58^# 0.37–0.74)	0.30^* (−0.30-0.52)

^aSyndesmophytes at the ventral and dorsal quadrants of vertebral bodies of the spine; r = Spearman correlation coefficient; ^bankylosis at the ventral and dorsal quadrants of vertebral bodies of the spine
^*p < 0.05
^#p < 0.01

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