Table 2.
Blood pressure before and after intervention. Independent samples t test was used for statistical analysis
| Parameter | Mean ± SD before intervention | p-value (extract versus placebo) |
Mean ± SD
after intervention |
p-value (extract versus placebo) |
|---|---|---|---|---|
| Systolic blood pressure (mmHg) | 150.8±6.7 L 151.7±5.4 P |
0.511 | 127.3±10.5 L 151±7.9 P |
<0.001 |
| Diastolic blood pressure (mmHg) | 88.9±13.9 L 90.8±6.5 P |
0.436 | 71.5±8.9 L 88.1±7.7 P |
<0.001 |
L: V. arctostaphylos leaf extract group; P: placebo group; and SD: standard deviation.