The correlation analysis between the Oxford classification of Chinese IgA nephropathy children and renal outcome - a retrospective cohort study

Table 3 Comparison of all kinds of lesions with different time of onset to renal biopsy (n = 1243)

Variables	Time from onset to renal biopsy		χ²	P-value
Variables	≤ 12 months	>12 months	χ²	P-value
M0/M1	449/172	433/189	1.1	0.296
E0/ E1	411/210	401/221	0.4	0.525
S0/ S1	554/67	235/387	354.5	<0.001
T0/ T1/ T2	595/21/5	315/259/48	323.3	<0.001
C0/ C1/ C2	506/104/11	138/438/46	437.6	<0.001

Abbreviations: M0 Mesangial hypercellularity≤0.5, M1 Mesangial hypercellularity>0.5, E0 Absence of endocapillary hypercellularity, E1 Presence of endocapillary hypercellularity; S0 absence of segmental glomerulosclerosis, S1 Presence of segmental glomerulosclerosis, T0 Tubular atrophy/ interstitial fibrosis 0–25% of cortical area, T1 Tubular atrophy/ interstitial fibrosis 26–50% of cortical area, T2 Tubular atrophy/interstitial fibrosis≥50% of cortical area, C0 Absence of crescents, C1 Crescents in at least one but < 25% of glomeruli, C2 Crescents in more than 25% of glomeruli

ISSN: 1471-2369