Table 2.

Pathologic features of kidney biopsy at presentation

	C3 dominant	C3 co-dominant
LM
Exudative GN	11 (85%)	10 (100%)
Mesangial hypercellularity	7 (54%)	7 (70%)
Crescents	7 (54%)	3 (30%)
<50%	4 (31%)	3 (30%)
>50%	3 (23%)	0
Global glomerulosclerosis
None	9 (69%)	8 (80%)
<50%	3 (23%)	2 (20%)
>50%	1 (8%)	0
IF/TA
None	9 (69%)	8 (80%)
Mild	3 (23%)	2 (20%)
Moderate	1 (8%)	0
Severe	0	0
IF
Starry-sky	12 (92%)	5 (50%)
Garland	1 (8%)	5 (50%)
EM
Subepithelial ‘humps’	13 (100%)	10 (100%)
Intramembranous deposits	13 (100%)	6 (60%)

LM, light microscopy; GN, glomerulonephritis; IF/TA, interstitial fibrosis and tubular atrophy; IF, immunofluorescence; EM, electron microscopy.