Table 4. The mean and standard deviation of the ratios of CD25day1 and CD25day8 to CD25day0 in each group (EM, IM_1, IM_2) and in the combined IM group (IM_1 + IM_2).
| Groups | EM (n = 6) | IM_1 (n = 7) | IM_2 (n = 8) | P valuea | IM_1 + IM_2 (n = 15) | P valueb |
|---|---|---|---|---|---|---|
| CD25day1/CD25day0 | 7.67 ± 8.67 | 36.38 ± 45.15 | 15.26 ± 6.87 | 0.59 | 28.46 ± 36.03 | 0.38 |
| CD25day8/CD25day0 | 18.94 ± 12.95 | 97.21 ± 128.71 | 137.77 ± 231.93 | 0.13 | 117.49 ± 181.43 | 0.05 |
CD25 = the chronotropic dose 25, Day1 = single dosing, Day8 = multiple dosing, Day0 = baseline, EM = extensive metabolizer (CYP2D6*1/*1, *1/*2), IM_1 = intermediate metabolizer (CYP2D6*1/*10, *2/*10), IM_2 = intermediate metabolizer (CYP2D6*10/*10).
aKruskal-Wallis test; bMann-Whitney U test.