Figure 5

Comparison of the concentrations of candidate biomarkers in control (CT) and dry eye (DE) groups, measured using the customized antibody microarrays. Concentration is expressed in ng/mL. Green circles represent the mean concentration for the group. (A) Whisker plot of protein S100A6 concentrations. (B) Whisker plot of protein MMP9 concentrations. (C) Whisker plot of protein CST4 concentrations. (D) ROC curve analysis obtained by logistic regression using the three candidate biomarkers.