Table.
Cognitive test scores by treatment group
| Treatment group
|
|||||
|---|---|---|---|---|---|
| Cognitive test | Antioxidants, n = 566 | Antioxidants + zinc, n = 528 | Zinc, n = 538 | Placebo, n = 534 | p Value* |
| Logical memory | |||||
| Part I, immediate recall | 36.3 (10.9) | 35.5 (11.4) | 37.1 (10.9) | 35.6 (10.9) | 0.06 |
| Part II, delayed recall | 20.9 (8.4) | 20.6 (8.8) | 21.3 (8.8) | 20.6 (8.5) | 0.46 |
| 3MS | 92.7 (6.7) | 92.5 (6.1) | 92.7 (6.3) | 92.1 (6.9) | 0.40 |
| Letter fluency | 39.5 (13.5) | 37.9 (13.0) | 38.7 (13.4) | 37.6 (13.6) | 0.09 |
| Animal category | 17.3 (5.0) | 16.8 (4.7) | 17.2 (4.9) | 16.9 (4.9) | 0.23 |
| Buschke test | |||||
| Immediate recall | 26.1 (13.0) | 26.9 (12.8) | 26.1 (12.6) | 25.7 (13.2) | 0.50 |
| Word list mean | 5.8 (2.1) | 5.8 (2.1) | 5.8 (2.2) | 5.7 (2.3) | 0.88 |
| Digits backwards | 6.3 (1.9) | 6.2 (1.8) | 6.2 (1.9) | 6.3 (1.9) | 0.78 |
Results expressed as mean (SD).
*
p Value from generalized linear model.
3MS = Modified Mini-Mental State Examination.