TABLE 3.
Cognitive and psychological function at baseline by allocated treatment1
| Vitamin B-12 (n = 99) | Placebo (n = 102) | |
| California Verbal Learning Test | ||
| Total words correct in first 3 trials, n | 22.8 ± 6.0 | 22.0 ± 6.5 |
| Words recalled at delayed recall, n | 7.3 ± 2.6 | 7.0 ± 3.1 |
| Symbol letter modality,2 n correct | 41.1 ± 9.5 | 39.6 ± 12.5 |
| Reaction time, s | ||
| Simple | 0.3 ± 0.1 | 0.3 ± 0.1 |
| Choice | 0.7 ± 0.1 | 0.7 ± 0.2 |
| Verbal fluency, n animals named | 21.4 ± 5.4 | 21.3 ± 6.0 |
| 30-item General Health Questionnaire score3 | 2.5 ± 4.7 | 2.9 ± 4.7 |
1
All values are means ± SDs.
2
Missing data (n = 1 in vitamin B-12 and n = 1 in placebo).
3
Missing data (n = 8 in vitamin B-12 and n = 9 in placebo).