PROLIFERATIVE GD: RBCs AND RTECS IN HISTOLOGIC CLASSES HISTOLOGIC LESION RBCs (mean ± SD) RENAL TUBULAR EPITHELIAL CELLS Fibrinoid necrosis (mean ± SD) 7.1 ± 8.1 Absent Mild or moderate 599.2 ± 641.2 1379.2 ± 689.2 13.7 ± 10.8 p 0.0019 0.0103