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Table 2 Histopathological grading of kidney injury

From: Gender difference following high cholesterol diet induced renal injury and the protective role of rutin and ascorbic acid combination in Wistar albino rats

Type of damage Score
GLOMERULAR DAMAGE:  
o None 0
o Less than 25% of glomeruli are involved 1
o 25-50% of glomeruli are involved 2
o 51-75% of glomeruli are involved 3
o More than 75% of glomeruli are involved 4
ACUTE TUBULAR NECROSIS  
o None 0
o Less than 25% of renal tubules are involved 1
o 25-50% of renal tubules are involved 2
o 51-75% of renal tubules are involved 3
o More than 75% of renal tubules are involved 4
TUBULOINTERSTITIAL NEPHRITIS  
o None 0
o Leukocytes confined within the interstitium 1
o Leukocytes within the interstitium and tubular epithelial cells 2