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Table 4 Histopathological grading of the kidney sections for all experimental groups

From: Effect of oral administration of ethanolic extract of Vitex negundo on thioacetamide-induced nephrotoxicity in rats

Pathological grading
Group N 0 I II III IV Average of grades
Normal 6 6 0 0 0 0 0.0**
TAA 6 0 0 0 2 4 3.33 ± 0.51*
VN 100 + TAA 6 0 1 1 4 0 2.00 ± 0.63**
VN 300 + TAA 6 1 3 2 0 0 1.16 ± 1.34**
  1. Data were stated as mean ± SEM. Means with different superscripts are significantly different. * P < 0. 05 versus normal control group and ** p < 0. 05 versus TAA control group.