Journal of Rheumatic Diseases

Table. 3.

Comparison of laboratory and radiologic findings between PT-SpA and non-PT-SpA

Variable Post-traumatic-SpA (PT-SpA) (n=12) Non-PT-SpA (n=201) p-value
HLA-B27 11/12 (91.7) 174/199 (87.4) 1.000
ESR (mm/hr) 7.0 (2.0∼16.0) 7.0 (2.0∼18.0) 0.890
CRP (mg/L) 0.7 (0.2∼1.5) 0.3 (0.1∼1.5) 0.549
Sacroiliitis grade of right SIJ 2.0 (1.0∼3.0) 3.0 (1.0∼3.0) 0.323
Sacroiliitis grade of left SIJ 2.0 (1.0∼3.0) 2.0 (1.0∼3.0) 0.565
Active inflammation on SIJ MRI 6/11 (54.5) 131/157 (83.4) 0.047
mSASSS score 0.0 2.0 (1.0∼16.0) 0.007
Syndesmophyte 0/5 17/135 (12.6) 0.881

Values are presented as number (%) or median (interquartile range). HLA: human leukocyte antigen, ESR: erythrocyte sedimentation rate, CRP: C-reactive protein, SIJ: sacroiliac joint, MRI: magnetic resonance imaging, mSASSS: modified Stoke Ankylosing Spondylitis Spine Score.

J Rheum Dis 2021;28:25~30 https://doi.org/10.4078/jrd.2021.28.1.25
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