Table 2. Mean and standard deviation (SD) of dialysis adequacy score of patients before and after the intervention in both groups, first and second treatment periods.
| Group | First month | Second month | ||||||
|---|---|---|---|---|---|---|---|---|
| n | Before intervention | After intervention | p-value | n | Before intervention | After intervention | p-value | |
| mean ± SD | mean ± SD | mean ± SD | mean ± SD | |||||
| A* | 19 | 1.5 ± 0.3 | 1.7 ± 0.4 | 0.010 | 17 | 1.5 ± 0.3 | 1.5 ± 0.3 | 0.801 |
| B | 20 | 1.6 ± 0.3 | 1.6 ± 0.4 | 0.493 | 20 | 1.6 ± 0.3 | 1.6 ± 0.3 | 0.537 |
| p-value | - | 0.411 | 0.659 | - | - | 0.565 | 0.605 | - |
*Group A took valerian capsules in the first month and placebo in the second month, and vice versa in group B.