Fig. 2From: High serum IgA/C3 ratio better predicts a diagnosis of IgA nephropathy among primary glomerular nephropathy patients with proteinuria ≤ 1 g/d: an observational cross-sectional studyComparison of the IgA/C3 ratio in different proteinuria levels. (* indicated comparison with Non-IgAN group, p < 0.05; # indicated comparison with proteinuria≤1 g/d group in the full cohort and comparison with proteinuria 1–3.5 g/d group in the PSM cohort, p < 0.05)Back to article page