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Table 1 Summary statistics and prevalence data.

From: Vitamin status and cognitive function in a long-term care population

Vitamin B12 (pmol/L)

 
 

Total (n = 75)

   Mean (SD)

301.7 (167.8)

   Median

245.0

   Range

81.0–982.0

   95% CI

263.1–340.3

   <148

5 (6.7%)

   148–221

26 (34.7%)

Erythrocyte folate (nmol/L)

 

   Mean (SD)

942.9 (367.9)

   Median

868.0

   Range

316.0–2857.0

   95% CI

858.3–1027.5

   <370

1 (1.3%)

Vitamin B 6 (nmol/L)

 

   Mean (SD)

54.3 (21.4)

   Median

48.0

   Range

28.0–125.0

   95% CI

49.4–59.2

   ≤30

4 (5.3%)

Hcy (μmol/L)

 

   Mean (SD)

13.5 (6.2)

   Median

12.5

   Range

4.6–48.3

   95% CI

12.1–14.9

   >13.3

31 (41.3%)

Niacin Number

 

   Mean (SD)

161.3 (81.6)

   Median

140.3

   Range

33.4–390.5

   95% CI

142.5–180.1

   Niacin Ratio ≤1

20 (26.7%)