Table 4 Kidney biopsy results depending on proteinuria in children with IgAVN
From: IgA vasculitis nephritis clinical course and kidney biopsy – national study in children
Nephrotic proteinuria Gr.A N = 55 | Non-nephrotic proteinuria Gr.B N = 38 | Isolated hematuria Gr C N = 13 | |
|---|---|---|---|
Time to kidney biopsy from the onset (days) | 30 (6–111.7) | 38 (8–758) | 104 (21–358) |
MEST-C score | |||
0 | 1 (1%) | 0 (0%) | 1 (1%) |
1 | 15 (14%) | 17 (16%) | 8 (8%) |
2 | 25 (24%) | 9 (8%) | 3 (3%) |
3 | 7 (7%) | 10 (9%) | 1 (1%) |
4 | 4 (4%) | 2 (2%) | 0 (0%) |
5 | 3 (3%) | 0 (0%) | 0 (0%) |
> 5 | 0 | 0 | 0 |
Oxford classification | |||
M1 | 52 (49%) | 36 (34%) | 12 (11%) |
E1 | 17 (16%) | 5 (5%) | 0 (0%) |
S1 | 19 (18%) | 9 (8%) | 3 (3%) |
T1 | 17 (16%) | 7 (7%) | 2 (2%) |
T2 | 1 (1%) | 0 (0%) | 0 (0%) |
C1 | 14 (13%) | 15 (14%) | 0 (0%) |
C2 | 5 (1%) | 1 (2.6%) | 0 (0%) |