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.