Results of two-way Analysis of Variance (ANOVA) evaluating the statistical significance of differences in elemental and biochemical parameters in biopsy samples as a function of site (kidney, liver, colon, lung) and status (normal, malignant); the significance of the site-by-status interaction was

The final column reports the p value from the Kruskal-Wallis test for homogeneity of medians among normal tissues according to site (organ). This test is robust against violations of assumptions of normality and homogeneity of variances.