Clinical significance of serum complement levels and C3/C4 ratio in IgA nephropathy: histopathological correlates and prognostic implications.

Ren Fail · 2026 · PMC13312335 · PMID 42336364

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did not reach statistical significancep = 0.955not close (p > 0.1)

showed a trendno p-value reported

C3/C4 ratio showed a trend but did not reach statistical significance (HR = 0.989, p = 0.955), explained by collinearity with eGFR (Spearman r = 0.339, p = 0.0002) ( Table 6 ).

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