Table 2.
Mean vitamin and metabolite levels according to SMMSE status.
| SMMSE | ||||
| Marked (0–20) n = 44 | Mild (21–25) n = 14 | Normal (26–30) n = 9 | p-value | |
| Age (years) | ||||
| Mean (SD) | 84.4 (8.6)* | 74.0 (15.1) | 75.2 (13.1) | <0.01 |
| Vitamin B12 (pmol/L) | ||||
| Mean (SD) | 320.4 (181.1) | 284.6 (148.3) | 256.9 (99.4) | n.s. |
| Erythrocyte folate (nmol/L) | ||||
| Mean (SD) | 972.2 (286.5) | 730.9 (117.9) | 992.7 (471.2) | n.s. |
| Vitamin B6 (nmol/L) | ||||
| Mean (SD) | 54.0 (20.5) | 58.1 (28.4) | 56.0 (23.6) | n.s. |
| Hcy (μmol/L) | ||||
| Mean (SD) | 13.9 (6.8) | 10.4 (3.0) | 14.1 (5.4) | n.s. |
| Niacin Number | ||||
| Mean (SD) | 166.5 (82.1) | 150.2 (58.8) | 147.3 (66.1) | n.s. |
| Vitamin Supplementation | ||||
| n (%) within each group | 17 (38.6%) | 5 (35.7%) | 4 (44.4%) | n.s. |
* p < 0.01 for comparison with mild group
n.s. – not significantly different