Table 2: Lipid status at baseline (pre) and end of intervention (post) for the three intervention periods.
Pure hydroxytyrosol | Olive extract | Placebo | ||||||||||
Variable | Pre | Post | Mean change | p-value | Pre | Post | Mean change | p-value | Pre | Post | Mean change | p-value |
Cholesterol (mg/dL) | 198.3 (± 23.9) | 198.3 (± 31.2) | 0.0 (± 18.6) | 0.60371 | 194.5 (± 25.8) | 195.9 (± 28.6) | 1.4 (± 16.5) | 0.64802 | 192.0 (± 24.9) | 197.7 (± 28.6) | 5.8 (± 18.7) | 0.10912 |
LDL cholesterol (mg/dL) | 116.7 (± 23.5) | 107.3 (± 23.5) | -9.4 (± 10.9) | 0.00041* | 113.3 (± 20.4) | 115.3 (± 26.5) | 2.1 (± 15.2) | 0.45452 | 109.8 (± 19.9) | 113.9 (± 27.1) | 4.1 (± 15.4) | 0.16342 |
HDL cholesterol (mg/dL) | 65.5 (± 15.0) | 65.7 (± 16.9) | 0.2 (± 7.2) | 0.89852 | 62.8 (± 16.3) | 62.9 (± 14.9) | 0.1 (± 8.7) | 0.96612 | 63.4 (± 16.7) | 64.8 (± 17.0) | 1.4 (± 6.1) | 0.23552 |
Triglycerides (mg/dL) | 94.6 (± 38.0) | 107.0 (± 56.2) | 12.4 (± 42.0) | 0.21351 | 104.7 (± 54.9) | 107.2 (± 60.3) | 2.5 (± 39.3) | 0.97411 | 105.0 (± 38.2) | 98.4 (± 39.7) | -6.6 (± 21.6) | 0.11192 |
*Two outliers excluded; Data points are mean ± SD; 1Wilcoxon signed rank test, 2Paired t test.