Figure 2
Cd concentration distributions at baseline (t0), during treatment (t1, t4), and the results of statistical tests for differences within the group of non-smokers over time; χ2Friedman—the Friedman rank sum test statistic; \(\hat{W}_{Kendall}\)—Kendall's coefficient of concordance; CI 95%—confidence interval 95%; \(\widehat{ \mu }_{median}\)—median; pHolm-adj.—adjusted p value with Holm's correction for multiple comparisons.
