Anti-hnRNP B1 (RA33) Autoantibodies Are Associated with the Clinical Phenotype in Russian Patients with Rheumatoid Arthritis and Systemic Sclerosis

Table 5

Correlation of anti-hnRNP B1 autoantibodies with clinical characteristics of patients with SSc.

	Valid number of patients	Spearman	𝑡 (𝑁−2)	𝑃
Age	64	0.314713	2.61071	0.012
Duration of disease	64	−0.022761	−0.179267	0.858
Hypertension presence	60	0.333848	2.69726	0.009
Duration of hypertension	54	0.352815	2.71904	0.009
Augmentation index (arterial wall elasticity)	54	0.350336	2.69725	0.009
PWV	53	0.390139	3.02593	0.004
Digital ulcers	60	−0.347099	−2.81867	0.007
Esophagitis	59	−0.312778	−2.48616	0.016
Right ventricle dimensions	58	0.271581	2.11169	0.039
Heart block	57	0.254881	1.95481	0.056
ESR	62	0.236032	1.88146	0.065
CRP	59	0.218667	1.69184	0.096

CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; CCP: citrullinated cyclic peptide; PWV: pulse wave velocity.