Table 2 Mean vitamin and metabolite levels according to SMMSE status.
From: Vitamin status and cognitive function in a long-term care population
|  | Marked (0–20) n = 44 | Mild (21–25) n = 14 | Normal (26–30) n = 9 | p-value |
|---|---|---|---|---|
| Â | Â | SMMSE | Â | Â |
Age (years) | Â | Â | Â | Â |
   Mean (SD) | 84.4 (8.6)* | 74.0 (15.1) | 75.2 (13.1) | <0.01 |
Vitamin B 12 (pmol/L) | Â | Â | Â | Â |
   Mean (SD) | 320.4 (181.1) | 284.6 (148.3) | 256.9 (99.4) | n.s. |
Erythrocyte folate (nmol/L) | Â | Â | Â | Â |
   Mean (SD) | 972.2 (286.5) | 730.9 (117.9) | 992.7 (471.2) | n.s. |
Vitamin B 6 (nmol/L) | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   Mean (SD) | 166.5 (82.1) | 150.2 (58.8) | 147.3 (66.1) | n.s. |
Vitamin Supplementation | Â | Â | Â | Â |
n (%) within each group | 17 (38.6%) | 5 (35.7%) | 4 (44.4%) | n.s. |