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Table 3 Folate, vitamin B12 and Hcy status according to cut-off values

From: Folate, Vitamin B12 and Homocysteine status in the post-folic acid fortification era in different subgroups of the Brazilian population attended to at a public health care center

 

Cut-off values

All

Elderly

Children

Pregnant women

Lactating women

N, %

N, %

N, %

N, %

N, %

Folate

      
 

<4 ng/mL

2, 0.3

1, 0.4

-

1, 0.3

-

≥4 ng/mL

708, 99.7

261, 99.6

103, 100

290, 99.7

54, 100

Vitamin B12

      
 

<200 pg/mL

35, 4.9

11, 4.2

-

23, 7.9

1, 1.9

200 - 300 pg/mL

141, 19.9

38, 14.5

1, 1.0

98, 33.7

4, 7.4

>300 pg/mL

534, 75.2

213, 81.3

102, 99.0

170, 58.4

49, 90.7

Homocysteine

      
 

<15 μmol/L

625, 87.0

174, 66.4

105, 100

289, 99.3

57, 95.0

≥15 μmol/L

93, 13.0

88, 33.6

-

2, 0.7

3, 5.0