Table 3. Scoring and distribution (%) of mild and advanced glomerular lesions in the groups under study.

Mild Lesions		0 Absent	1 <25%	2 25–50%	3 >50%	Total Score
Thickening of Bowman´s Capsule	Sham, n (%)	7 (100%)	0	0	0	0.00±0.00
	CRF, n (%)	1 (14.3%)	3 (42.9%)	1 (14.3%)	2 (28.6%)	1.57±0.43**
Hyalinosis of the vascular pole	Sham, n (%)	7 (100%)	0	0 (0%)	0 (0%)	0.00±0.00
	CRF, n (%)	1 (14.3%)	6 (85.7%)	0	0	0.86±0.14**
Glomerular atrophy	Sham, n (%)	7 (100%)	0	0	0	0.00±0.00
	CRF, n (%)	1 (14,3%)	6 (85.7%)	0	0	0.86±0.14**
Hypercellularity	Sham, n (%)	7 (100%)	0	0	0	0.00±0.00
	CRF, n (%)	0	7 (100%)	0	0	1.00±0.00**
Dilatation of the Bowman’s Space	Sham, n (%)	7 (100%)	0	0	0	0.00±0.00
	CRF, n (%)	5 (71.4%)	2 (28.6%)	0	0	0.29±0.18
Total Group Score	Sham					0.00±0.00
	CRF					0.91±0.12***
Advanced lesions	None of the previous (0)	Thickening of GBM(1)	Mesangial expansion(2)	Nodular sclerosis(3)	Global Glomerulosclerosis (4)	Total Score
Sham, n (%)	7 (100%)	0	0	0	0	0.00±0.00
CRF, n (%)	0	1 (14.3%)	5 (71.4%)	1 (14.3%)	0	2.0±0.22**

Results are presented as mean ± SEM: *- p < 0.05

**- p < 0.01, and

***- p < 0.001 versus Sham group.