Correlation of Claudin-1 and Claudin-2 with histomorphological changes in esophageal mucosa. Panels illustrate correlations between transcript levels and histomorphological alterations as indicated. Data are shown as open dot plots; medians are presented filled dot. Non-parametric correlation analysis was performed by Spearman’s rank correlation test; P values are presented in figure. Detailed data of other correlations are presented in Tables 5A, and 5B.