FIGURE 1:
Representative images of periodic acid-Schiff-stained glomeruli with each grade of sclerosis including grade 0 (normal) (A), grade 1 (≤25% sclerotic area; minimal sclerosis) (B), grade 2 (25–50% sclerotic area; moderate sclerosis) (C), grade 3 (50–75% sclerotic area; moderate-to-severe sclerosis) (D) and grade 4 (≥75% sclerosis; severe sclerosis) (E). Images were taken at 200× magnification; 100 µm.