Table 1. Microscopic findings of the renal biopsies.
| Microscopic findings | Grade | Number (%) |
|---|---|---|
| Glomerular changes | ||
| Globally sclerosed glomeruli | Absent | 30 (44.8) |
| <25% | 24 (35.8) | |
| 25–50% | 7 (10.5) | |
| ≥50% | 6 (9.0) | |
| Segmentally sclerosed glomeruli | Absent | 29 (43.3) |
| <25% | 19 (28.4) | |
| 25–50% | 11 (16.4) | |
| ≥50% | 8 (11.9) | |
| Podocyte foot process effacement | Absent | 6 (9.0) |
| Focal mild | 14 (20.9) | |
| Focal moderate | 8 (11.9) | |
| Focal marked | 13 (19.4) | |
| Diffuse | 26 (38.8) | |
| Tubulointerstitial changes | ||
| Tubular atrophy | Absent | 18 (26.9) |
| Mild | 40 (59.7) | |
| Moderate | 6 (9.0) | |
| Severe | 3 (4.5) | |
| Interstitial fibrosis | Absent | 18 (26.9) |
| Mild | 40 (59.7) | |
| Moderate | 7 (10.5) | |
| Severe | 2 (3.0) | |
| Vascular changes | ||
| Intimal thickening | Absent | 30 (44.8) |
| Mild | 33 (49.3) | |
| Moderate | 2 (3.0) | |
| Severe | 2 (3.0) |
Mean number of glomeruli (n = 67) was 21.0 ± 10.3. The median percentage of globally sclerosed glomeruli was 4.9 (0–18.4) % and the median percentage of segmentally sclerosed glomeruli was 5.3 (0–33.3) %.