Correlation studies in the cirrhosis group. (A) Correlation between LPI and transferrin saturation, Fitline with local linear regression, normal kernel. (B) Correlation between LPI and transferrin. (C) Correlation between LPI and prothrombin index. Rho = correlation coefficient with Spearman test. Vertical dashed line represents the 75% threshold; horizontal line, 0.10 threshold for LPI.