Table 1.
Baseline characteristics dependent on group
| Resveratrol | Placebo | p | |
|---|---|---|---|
| n (female/male) | 23 (9/14) | 23 (9/14) | |
| Age (y) | 64.8 ± 6.8 (51–75) | 63.7 ± 5.3 (50–72) | 0.95b |
| Education (y) | 17.5 ± 3.6 (10–24) | 16.8 ± 2.7 (11–22) | 0.38b |
| Mini mental state examination (score) | 28.7 ± 1.3 (26–30) | 29.3 ± 0.8 (27–30) | 0.06c |
| Right-handedness (%)a | 71.1 ± 36 (−60, 50–100) | 81.7 ± 17 (50–100) | 0.73c |
| Beck's Depression Index (score) | 3.9 ± 3.2 (0–11) | 7.3 ± 5.0 (1–18) | 0.02c |
| TMT, part A (time to complete, in sec) | 33.8 ± 14.8 (21–88) | 35.8 ± 10.9 (20–63) | 0.34c |
| TMT, part B (time to complete, in sec) | 79.5 ± 41.9 (33–220) | 88.1 ± 51.1 (43–300) | 0.52c |
| Stroop color-word test (delay of incongruent vs neutral condition, in sec)d | 41.2 ± 13.0 (0–11) | 45.0 ± 11.3 (0–11) | 0.35b |
| Verbal fluency, phonematic (no. of words) | 15.3 ± 5.4 (6–26) | 16.8 ± 5.3 (10–30) | 0.53c |
| Verbal fluency, categories (no. of words) | 14.4 ± 4.1 (6–23) | 13.5 ± 3.8 (6–22) | 0.47b |
Significant differences are indicated by bolding the number. Data are given as mean ± SD and range (min–max). TMT, Trail-making test.
aTwo subjects were excluded due to missing values.
bPaired t test.
cWilcoxon signed-rank test.
dOne subject was excluded due to color blindness.