Table 4.
Effect of low polyphenol OO vs. high polyphenol OO on mean changes in hemodynamic and arterial stiffness indices.
| Baseline Mean (SEM) |
Follow Up Mean (SEM) |
Mean Change (95% CI) (Time Effect) |
p-Value (Treatment * Time Effect) |
|
|---|---|---|---|---|
| Pulse pressure (mmHg) | ||||
| Low Polyphenol OO (n = 50) | 35.7 (1.0) | 36.4 (1.0) | 0.7 (−0.8 to 2.1) | 0.296 |
| High Polyphenol OO (n = 50) | 36.3 (1.0) | 35.9 (1.0) | −0.4 (−1.9 to 1.1) | |
| p-value (Treatment effect) | 0.653 | 0.723 | ||
| Pulse rate (bpm) | ||||
| Low Polyphenol OO (n = 50) | 61.1 (1.3) | 59.4 (1.4) | −1.7 (−3.9 to 0.4) | 0.403 |
| High Polyphenol OO (n = 50) | 61.0 (1.3) | 60.6 (1.4) | −0.4 (−2.6 to 1.7) | |
| p-value (Treatment effect) | 0.954 | 0.553 | ||
| Augmented pressure (mmHg) | ||||
| Low Polyphenol OO (n = 50) | 6.5 (0.7) | 6.0 (0.7) | −0.5 (−1.6 to 0.6) | 0.987 |
| High Polyphenol OO (n = 50) | 6.9 (0.7) | 6.3 (0.7) | −0.5 (−1.6 to 0.5) | |
| p-value (Treatment effect) | 0.692 | 0.714 | ||
| Augmented index (%) | ||||
| Low Polyphenol OO (n = 50) | 16.2 (1.7) | 14.6 (1.8) | −1.7 (−4.2 to 0.8) | 0.807 |
| High Polyphenol OO (n = 50) | 16.6 (1.7) | 15.4 (1.8) | −1.2 (−3.7 to 1.3) | |
| p-value (Treatment effect) | ||||
| Pulse wave velocity (m/s) | ||||
| Low Polyphenol OO (n = 50) | 9.6 (0.1) | 9.5 (0.1) | −0.03 (−0.3 to 0.2) | 0.926 |
| High Polyphenol OO (n = 50) | 9.5 (0.1) | 9.4 (0.1) | −0.05 (−0.3 to 0.2) | |
| p-value (Treatment effect) | 0.679 | 0.608 |
All statistical analyses were adjusted for gender and age. OO, olive oil; SEM, standard error of the mean; CI, confidence interval.