Table 3.
Comparison of blood pressure between the two groups, before and after the intervention period.
| Variables | ACV α
n = 37 |
Control β
n = 36 |
p-value £ | |
|---|---|---|---|---|
| Mean ± SD | Mean ± SD | |||
| Systolic blood pressure (mmHg) | ||||
| Before | 137.02 ± 12.49 | 132.33 ± 16 | 0.18 | |
| After | 131.35 ± 12.45 | 130.41 ± 15.30 | 0.52 | |
| Change | — 5.67 ± 8.59 | — 1.91 ± 7.74 | 0.06 | |
| p-value € | <0.001 | 0.14 | ||
| Diastolic blood pressure (mmHg) | ||||
| Before | 80.94 ± 10.66 | 80.61 ± 10.64 | 0.15 | |
| After | 80.67 ± 9.58 | 80.13 ± 9.98 | 0.78 | |
| Change | — 0.27 ± 2.87 | — 0.47 ± 2.84 | 0.83 | |
| p-value € | 0.57 | 0.32 | ||
αReceived 30 ml of apple cider vinegar and a recommendation for a healthy diet; βReceived only a recommendation for a healthy diet; £Analysis of covariance after eliminating body mass index measures before the intervention period; €Paired t-test.
ACV, apple cider vinegar; SD, standard deviation.