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Microscopy assessment of histological changes in UUO-induced renal injury.
| 0 | 1 | 2 | 3 | 4 | 5 | |
|---|---|---|---|---|---|---|
| Tubular dilation |
Normal | <10% | 10–25% | 26–50% | 51–75% | >75% |
| Tubular atrophy |
Normal | <10% | 10–25% | 26–50% | 51–75% | >75% |
| Leukocyte infiltration | Absent | <10% | 10–25% | 26–50% | 51–75% | >75% |
| Interstitial volume | Normal | <10% | 10–25% | 26–50% | 51–75% | >75% |
