Fig. 2From: Increased C4 and decreased C3 levels are associated with a poor prognosis in patients with immunoglobulin A nephropathy: a retrospective studyThe dot plot showed the relationship between the serum complement levels and the grade of each component of the Oxford classification. Variance homogeneity test was tested by a Bartlett test. a: Welch two sample t-test; b: Wilcoxon rank test; c: Kruskal-Wallis rank test. The mean and standard deviation were showed in the pictures. Abbreviations: E, Endocapillary hypercellularity; M, Mesangial hypercellularity; S, Segmental glomerulosclerosis, T, Tubular atrophy/interstitial fibrosisBack to article page