21. The Mann-Whitney U test was used to detect differences in continuous dependent variables between the two groups. 22. In recent years, the SeHCAT test has been used for the determination of bile acid malabsorption. 23. When the effects of drugs were assessed, a Student paired t test was used. 24. The paired t test was used to examine changes over the trial period within each group. 25. The Mann-Whitney U test was used to assess the significance of any difference between the groups in the frequency of those with arrhythmias. 26. The Mann-Whitney U test was used for pairwise comparisons where the influence of independent variables was identified as significant by the multivariate analysis. 27. Otherwise an appropriate t test was used. 28. The Mann-Whitney U test was then used for pairwise comparisons. 29. Before multiple regression analysis, univariate tests were used to assess the independent effect of each factor on height velocity. 30. The Wilcoxon paired signed rank test or sign test was used when the animals served as their own controls. |