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SLE, systemic lupus erythematosus; PH, pulmonary hypertension; HR, hazard ratio; CI, confidence interval; RVSP, right ventricular systolic pressure; SS-A, Sjgren's-syndrome-related antigen A; SS-B, Sjgren's-syndrome-related antigen B; IgG, immunoglobulin G; SLEDAI, systemic lupus erythematosus disease activity index; SLICC/ACR, Systemic Lupus International Collaborating Clinics/American College of Rheumatology.
