Table 8 Changes in FMD and BP after daily consumption of 20-g chocolate for 6 and 12 weeks
Low-flavanol | High-flavanol | Pvalue of change between treatments | |
|---|---|---|---|
Chocolate | Chocolate | ||
(n = 20) | (n = 22) | ||
FMD (%) | |||
Baseline | 13.3 ± 3.8 | 11.9 ± 4.7 | - |
Week 6 | 11.4 ± 3.4 | 10.8 ± 3.9 | 0.22 |
Week 12 | 13.1 ± 3.8 | 10.4 ± 3.4 | 0.43 |
P value (Week 6 vs. Baseline) | 0.06 | 0.32 | |
P value (Week 12 vs. Baseline) | 0.95 | 0.18 | |
Systolic BP (mmHg) | |||
Baseline | 105.9 ± 7.8 | 109.4 ± 7.6 | - |
Week 6 | 104.8 ± 6.0 | 109.4 ± 7.5 | 0.98 |
Week 12 | 106.1 ± 9.7 | 108.8 ± 8.9 | 0.49 |
P value (Week 6 vs. Baseline) | 0.69 | 0.83 | |
P value (Week 12 vs. Baseline) | 0.66 | 0.60 | |
Diastolic BP (mmHg) | |||
Baseline | 64.2 ± 6.2 | 66.8 ± 6.3 | - |
Week 6 | 65.4 ± 5.9 | 68.0 ± 5.0 | 0.51 |
Week 12 | 68.2 ± 6.9 | 70.5 ± 6.8 | 0.50 |
P value (Week 6 vs. Baseline) | 0.05 | 0.42 | |
P value (Week 12 vs. Baseline) | 0.0007 | 0.01 | |
Mean arterial BP (mmHg) | |||
Baseline | 78.1 ± 6.5 | 81.0 ± 5.9 | - |
Week 6 | 78.5 ± 5.6 | 81.8 ± 5.2 | 0.65 |
Week 12 | 80.9 ± 7.5 | 83.2 ± 7.1 | 0.45 |
P value (Week 6 vs. Baseline) | 0.20 | 0.64 | |
P value (Week 12 vs. Baseline) | 0.0081 | 0.15 |