From: Chocolate flavanols and skin photoprotection: a parallel, double-blind, randomized clinical trial
High-flavanol chocolate (n = 33) | Low-flavanol chocolate (n = 41) | P value of changes between treatments | |
---|---|---|---|
Net elasticity (mm) | |||
Arm | |||
Baseline | 0.73 ± 0.19 | 0.75 ± 0.20 | - |
Week 6 | 0.75 ± 0.18 | 0.78 ± 0.20 | 0.52 |
Week 9 | 0.77 ± 0.21 | 0.81 ± 0.22 | 0.49 |
Week 12 | 0.81 ± 0.22 | 0.80 ± 0.23 | 0.54 |
P value (Week 6 vs Baseline) | 0.50 | 0.12 | |
P value (Week 9 vs Baseline) | 0.07 | 0.01 | |
P value (Week 12 vs Bbaseline) | 0.02 | 0.13 | |
Temple | |||
Baseline | 0.43 ± 0.14 | 0.45 ± 0.13 | - |
Week 6 | 0.51 ± 0.15 | 0.47 ± 0.13 | 0.01 |
Week 9 | 0.48 ± 0.17 | 0.47 ± 0.13 | 0.41 |
Week 12 | 0.52 ± 0.19 | 0.48 ± 0.12 | 0.03 |
P value (Week 6 vs Baseline) | <.0001 | 0.12 | |
P value (Week 9 vs baseline) | 0.02 | 0.38 | |
P value (Week 12 vs Baseline) | 0.0002 | 0.21 |