Analysis of Glomerular IgG Subclasses Switch in Idiopathic Membranous Nephropathy Classified by Glomerular Phospholipase A2 Receptor Antigen and Serum Antibody

Table 2

Comparison of clinical characteristics between two subgroups.

Characteristic	PLA2R-related ()	PLA2R-unrelated ()	value
Age (yrs), M (P25, P75)	51 (37, 58)	49 (40.5, 57.5)	0.867
Men, (%)	73 (55%)	16 (64%)	0.421
Alb (g/L), M (P25, P75)	28 (23, 32)	25 (20.5, 35)	0.378
24hUP (g/d), M (P25, P75)	4.7 (2.3, 7.3)	5.4 (1.8, 8.6)	0.878
Scr (μmol/L), M (P25, P75)	73 (61, 87)	72 (63, 86)	0.859
EM stage number, (%)			0.386
1	31 (24%)	7 (28%)
2	74 (56%)	10 (40%)
3	12 (9%)	4 (16%)
4	15 (11%)	4 (16%)