Figure 4From: Maintaining over time Clinical Performance targets on Anaemia correction in unselected population on chronic dialysis at 20 Italian Centres. Data from a retrospective study for a Clinical Audit Transferrin Values in dependence on BMI. Degrees of freedom: 484. Regression coefficient: 1.09. Correlation coefficient (R): 0.107. Coefficient of determination: 1.15. Regression significance: P < 0.018.Back to article page