Fig 1. TFF2 levels.
Panel A: TFF2 serum levels, one data point outside the axis limits in early CKD stages. Panel B: TFF2 urine concentrations. Panel C: Fractional TFF2 excretion, one data point outside the axis limits in later CKD stages. Each dot represents an individual patient. The line indicates the median. CKD, chronic kidney disease. Only significant p-values are given.