Table 3 Questionnaire scores before and after active (high cocoa liquor/polyphenol rich chocolate) and placebo (simulated iso-calorific chocolate - cocoa liquor free/low polyphenol)
Questionnaires | Before Intervention | After Intervention (8 weeks) | Wilcoxon Signed Rank Sum test |
|---|---|---|---|
| Â | Median (Range) | Median (Range) | Z value (Exact Sig. (2-tailed)) |
Chalder Fatigue questionnaire Active Arm | 33 (25 - 38) | 21.5 (6 - 35) | -2.53 (0.01) |
Chalder Fatigue questionnaire Placebo Arm | 28.5 (17 - 20) | 34.5 (13-26) | -2.23 (0.03) |
HAD questionnaire (Anxiety) Active Arm | 9.5 (8-13) | 6 (4-8) | -2.54 (0.01) |
HAD questionnaire (Anxiety) Placebo Arm | 6 (3-9) | 9 (8-12) | -2.21 (0.03) |
HAD questionnaire (Depression) Active Arm | 10 (9-14) | 5.5 (4-9) | -2.68 (0.01) |
HAD questionnaire (Depression) Placebo Arm | 6 (4-9) | 12 (8-14) | -2.34 (0.02) |
LHS questionnaire (residual function) Active Arm | 0.49 (0.33 - 0.62) | 0.64 (0.44 - 0.83) | -2.52 (0.01) |
LHS questionnaire (residual function) Placebo Arm | 0.44 (0.43 - 0.68) | 0.36 (0.33 - 0.62) | -2.21 (0.03) |