Hip Pain Associated with Acetabular Dysplasia in Patients with Suspected Axial Spondyloarthritis: DESIR Cohort Data

Table 2 Characteristics of the DESIR-cohort participants with and without acetabular dysplasia

	Acetabular dysplasia (*n =* 139)	No acetabular dysplasia (*n =* 497)	p value^a
General characteristics
Age (years), mean ± SD	32.8 ± 8.9	34.0 ± 8.4	0.14
Female, n (%)	90 (64.7)	251 (50.5)	0.003
Body mass index, mean ± SD	23.6 ± 3.9	24.0 ± 4.2	0.60
Active smokers, n (%)	53 (38.1)	182 (36.6)	0.88
Classification criteria for SpA, n (%)
ASAS criteria	93 (67.4)^b	313 (63.7)^c	0.43
ESSG criteria	116 (83.5)	387 (77.9)	0.15
Amor criteria	114 (82.0)	384 (78.2) ^c	0.18
Disease activity, mean ± SD
ASDAS-CRP	2.6 ± 0.9	2.6 ± 1.0	0.92
BASDAI	45.1 ± 19.2	44.1 ± 20.7	0.66
C-reactive protein (mg/L)	6.8 ± 10.6	8.2 ± 14.7	0.70
Functional impairment BASFI, mean ± SD	32.7 ± 23.3	29.8 ± 22.8	0.18
Radiological involvement
Radiographic sacroiliitis (mNY criteria)	22 (15.8)	83 (16.7)	0.81
Sacroiliitis by MRI	47/ (34.1)^b	166 (34.2)^d	0.98

^aMann-Whitney test or χ² test, as appropriate
^bData missing for 1 patient
^cData missing for 6 patients
^dData missing for 11 patients
SpA Spondyloarthritis, ASAS Assessment in SpondyloArthritis international Society, ASDAS Ankylosing Spondylitis Disease Activity, BASDAI Bath Ankylosing Spondylitis Disease Activity Index, Bath Ankylosing Spondylitis Functional Index, ESSG European Spondyloarthropathy Study Group, mNY Modified New York, MRI Magnetic resonance imaging

ISSN: 1471-2474