Document Classification

Section Type: RESULTS

Text: The baseline characteristics of the patients were as follows : mean age, 18 years ; urinary protein/creatinine ratio (Up/cr), 0. 74 + / - 1. 49 ; serum C3 level, 69. 5 + / - 26. 5 mg/dl (normal 79 - 152 mg/dl) ; serum complement hemolytic activity (CH50), 23. 0 + / - 8. 9 U/ml (normal 23 - 46 U/ml) ; serum anti-dsDNA antibody titer, 58. 9 + / - 54. 2 IU/ml (normal < 12. 0 IU/ml) ; serum creatinine, 0. 54 + / - 0. 13 mg/dl ; and European Consensus Lupus Activity Measurement (ECLAM) index, 4. 4 + / - 2. 2.