Research Article
Anti-hnRNP B1 (RA33) Autoantibodies Are Associated with the Clinical Phenotype in Russian Patients with Rheumatoid Arthritis and Systemic Sclerosis
Table 4
Correlation of anti-hnRNP B1 autoantibodies with clinical characteristics of patients with RA.
| | Valid number of patients | Spearman | () | |
| Age | 161 | 0.229447 | 2.97253 | 0.003 | Duration of disease | 144 | −0.259660 | −3.20410 | 0.002 | ESR | 156 | 0.197243 | 2.49678 | 0.014 | CRP | 157 | 0.259968 | 3.35182 | 0.001 | DAS28 | 120 | −0.128757 | −1.41040 | 0.161 | Smoking habit | 108 | −0.120022 | −1.24470 | 0.216 | Anti-CCP antibody | 108 | 0.105416 | 1.09141 | 0.278 | RF | 157 | 0.027336 | 0.34046 | 0.734 | Joint space narrowing hand | 75 | 0.309004 | 2.77598 | 0.007 | Joint space narrowing feet | 74 | 0.212152 | 1.84210 | 0.070 | Erosion feet | 74 | 0.156521 | 1.34470 | 0.183 |
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CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; CCP: citrullinated cyclic peptide; DAS28: disease activity score of 28 joints; RF: rheumatoid factor.
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