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