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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
   SMMSE   
Age (years)     
   Mean (SD) 84.4 (8.6)* 74.0 (15.1) 75.2 (13.1) <0.01
Vitamin B 12 (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 B 6 (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.
  1. * p < 0.01 for comparison with mild group
  2. n.s. – not significantly different