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The proportions of Child-Pugh A, B and C in group A (serum sodium ≤135 mmol/L, n=96), group B (135 mmol/L < serum sodium ≤140 mmol/L, n=520) and group C (serum sodium >140 mmol/L, n=554). Serum sodium concentration was significantly associated with Child-Pugh classification (P<0.001).
