Additional file 1 of The impact of normal serum complement levels on the disease classification and clinical characteristics in systemic lupus erythematosus

Additional file 1: Table S1. Initial treatment of SLE patients with normal and low serum complement levels. Table S2. Cox regression analysis for evaluating the implication of hypocomplementemia in relapse. Table S3. Cox regression analysis for evaluating the implication of hypocomplementemia in organ damage