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Table 2 Univariate and multivariate linear regression analysis of inflammatory SPARCC score of SIJ

From: Baseline severity of sacroiliitis can predict acute inflammatory status of sacroiliac joint in early axial spondyloarthritis of male patients: a cross sectional study

  Univariate analysis Multivariate
β 95% CI P β 95% CI P
Age (years) 0.055 −0.899, 1.008 0.910  
Symptom duration (years) 0.303 −0.460, 1.065 0.434  
Peripheral arthritis −1.479 −5.458, 2.499 0.464  
Enthesitis −5.197 −9.676, −0.718 0.023 −2.868 −7.224, 1.489 0.195
Uveitis −4.286 −10.130, 1.558 0.149  
Dactylitis 4.000 −8.703, 16.703 0.535  
Psoriasis 12.976 0.423, 25.529 0.043 12.339 0.601, 24.078 0.040
CRP elevation 6.220 2.332, 10.108 0.002 3.893 0.113, 7.672 0.044
Alternating buttock pain 3.192 −0.810, 7.194 0.117  
Good response to NSAID 2.250 −1.904, 6.405 0.286  
Family history of SpA −2.965 −8.715, 2.784 0.310  
HLA-B27 positivity 1.781 −3.684, 7.245 0.521 0.038 −5.076, 5.153 0.988
Sacroiliitis grade (average) 4.823 3.076, 6.570 < 0.001 3.855 1.960, 5.750 < 0.001
mSASSS 0.618 −0.849, 2.085 0.405  
Presence of syndesmophyte 7.419 −2.851, 17.689 0.155