title: Mann-Whitney U test and Kruskal-Wallis test should be used for comparisons of differences in medians, not means: comment on the article by van der Helm-van Mil et al.
authors.forename: Bin
authors.initials: B
authors.lastname: Zhang
authors.forename: Yuqing
authors.initials: Y
authors.lastname: Zhang
mesh_terms: D018709:Statistics, Nonparametric