Table 3.
Adherence measures by treatment and time.
| Measurement Mean ± SD | Control | DASH | P for DASH versus control |
|---|---|---|---|
| Urinary excretion | |||
| Potassium, mmol/24 hr | |||
| Baseline | 46.6 ± 13.3 | 42.2 ± 14.7 | |
| Change at week 1 | −10.2 ± 11.9 | 39.8 ± 25.8* | <0.0001 |
| Change at week 2 | −7.9 ± 16.4 | 25.3 ± 28.6† | 0.005 |
| P for trend | 0.367 | 0.075 | |
|
| |||
| Magnesium, mmol/24 hr | |||
| Baseline | 3.56 ± 1.54 | 3.51 ± 1.20 | |
| Change at week 1 | 0.22 ± 1.01 | 1.32 ± 0.86‡ | 0.017 |
| Change at week 2 | −0.01 ± 1.07 | 0.31 ± 1.27 | 0.553 |
| P for trend | 0.819 | 0.454 | |
|
| |||
| Phosphorus, mmol/24 hr | |||
| Baseline | 251.8 ± 78.82 | 222.6 ± 61.22 | |
| Change at week 1 | 7.53 ± 24.94 | 82.68 ± 112.4 | 0.054 |
| Change at week 2 | 39.44 ± 120.6 | −35.76 ± 114.7 | 0.170 |
| P for trend | 0.218 | 0.446 | |
|
| |||
| Urea nitrogen, mol/24 hr | |||
| Baseline | 3.73 ± 1.26 | 3.44 ± 0.95 | |
| Change at week 1 | −0.57 ± 1.01 | 0.29 ± 1.04 | 0.077 |
| Change at week 2 | −0.63 ± 1.32 | −0.26 ± 1.26 | 0.524 |
| P for trend | 0.629 | 0.780 | |
|
| |||
| Calcium, mmol/24 hr | |||
| Baseline | 36.06 ± 25.83 | 39.92 ± 23.71 | |
| Change at week 1 | 3.75 ± 16.79 | −5.50 ± 12.75 | 0.182 |
| Change at week 2 | 0.55 ± 14.76 | −7.51 ± 13.41 | 0.218 |
| P for trend | 0.909 | 0.298 | |
|
| |||
| Sodium, mmol/24 hr | |||
| Baseline | 122.6 ± 40.82 | 131.4 ± 42.83 | |
| Change at week 1 | 19.3 ± 33.39 | −4.2 ± 57.49 | 0.278 |
| Change at week 2 | 17.85 ± 65.93 | −1.5 ± 64.40 | 0.620 |
| P for trend | 0.493 | 0.919 | |
*P = 0.0004, † P = 0.017, ‡ P = 0.002 compared to baseline within treatment group using the MANOVA analysis.