Table 1. General characteristics of the patients submitted to renal biopsies for diagnostic purposes and used to produce the image library.

Parameter	Cell Proliferation		Total
	Yes	No
N	869 (100%)	439 (100%)	1308 (100%)
Sex:
Female	486 (56%)	203 (46%)	689 (53%)
Male	382 (44%)	236 (54%)	618 (47%)
Age	29 ± 16	31 ± 17	30 ± 16
Most frequent diseases:
Focal and segmental glomerulosclerosis	167 (19%)	161 (37%)	328 (25%)
Lupus nephritis	255 (29%)	33 (8%)	288 (22%)
Membranous glomerulonephritis	63 (7%)	52 (12%)	115 (9%¨)
Membranoproliferative glomerulonephritis	80 (9%)	0 (0%)	80 (6%)
Minimal change disease	24 (3%)	56 (13%)	80 (6%)
Diffuse proliferative glomerulonephritis	68 (8%)	2 (1%)	70 (5%)
IgA nephropathy	45 (5%)	14 (3%)	59 (4%)