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TABLE K-2 Erythrocyte Folate (ng/mL) of Persons Aged 4 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)

Number of Examined Persons

Mean

Standard Error of the Mean

Both, 4–8

3,157

222

12.6

M, 9–13

1,137

202

4.2

M, 14–18

864

164

4.4

M, 19–30

1,853

164

2.8

M, 31–50

2,484

182

3.0

M, 51–70

1,968

216

4.5

M, >70

1,266

242

7.3

F, 9–13

1,145

175

3.4

F, 14–18

934

157

4.0

F, 19–30

1,917

168

3.3

F, 31–50

2,924

194

3.4

F, 51–70

2,059

238

5.5

F, >70

1,374

259

7.3

Pregnant F, 14–55

322

261

12.5

Both, ≥4, unadjusted

23,404

197

1.2

NOTE: Values have been adjusted by following recommendations in Life Sciences Research Office/Federation of American Societies for Experimental Biology. 1994. Assessment of the Folate Methodology Used in the Third National Health and Nutrition Examination Survey (NHANES III, 1988–1994). Raiten DJ, Fisher KD, eds. Bethesda, MD: LSRO/ FASEB. Values are presented as received from source.



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