Table 2. Levels of plasma vitamin C (μmol/l) and the ratios of vitamin E and carotenoids per mmol/l of cholesterol at start and after 8 weeks.
| Variable | Group | Levels at baseline | Levels after 2 months | P for change within group | P for difference of changes between groups |
|---|---|---|---|---|---|
| P-vitamin C (μmol/l) | Fruit | 16.3±11a | 28.7±15a | 0.017 | 0.53 |
| Nut | 8.7±6.0a | 17.2±9.4a | 0.009 | ||
| α-Tocopherol (μmol/l/mmol/l cholesterol) | Fruit | 6.1±0.71 | 6.65±1.4 | 0.033 | 0.005 |
| Nut | 6.6±0.64 | 6.24±0.71 | 0.067 | ||
| γ-Tocopherol (μmol/l/mmol/l cholesterol) | Fruit | 0.34±0.14 | 0.35±0.11 | 0.82 | 0.13 |
| Nut | 0.37±0.17 | 0.47±0.15 | 0.081 | ||
| α-Carotene (μmol/l/mmol/l cholesterol) | Fruit | 0.087±0.048 | 0.078±0.032 | 0.29 | 0.75 |
| Nut | 0.076±0.038 | 0.063±0.047 | 0.083 | ||
| β-Carotene (μmol/l/mmol/l cholesterol) | Fruit | 0.25±0.10 | 0.23±0.12 | 0.40 | 0.26 |
| Nut | 0.25±0.079 | 0.21±0.059 | <0.0001 |
Data are means±s.d.
Abbreviation: P, plasma.
The differences in levels of vitamin C levels were statistically significant between groups at baseline (P=0.023) and at the end (P=0.017) of the trial.