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Table 5 Mean Total Homocysteine, Folate and Vitamin B12 According to Sex and Age Group

From: Total plasma homocysteine, folate, and vitamin b12 status in healthy Iranian adults: the Tehran homocysteine survey (2003–2004)/a cross – sectional population based study

Characteristics

Male Age Group (Y)

Female Age Group (Y)

 

25–34

35–44

45–54

55–64

25–34

35–44

45–54

55–64

Participants (N)

165

101

67

95

302

185

166

133

Geometric mean

Hcy μmol/L

CI 95%

18.0

16.9–19.1

18.5

17.2–19.9

19.5

17.9–21.1

21.3

19.9–22.8

13.3

12.8–13.9

14.1

13.3–14.9

14.2

13.4–15

15.6

14.7–16.7

Geometric mean

Folate nmol/L

CI 95%

3.6

3.4–3.9

3.7

3.3–4.2

3.3

2.9–3.7

3.9

3.6–4.3

4.0

3.8–4.3

4.1

3.8–4.5

4.0

3.7–4.3

4.3

4.0–4.7

Geometric mean

Vit B12 nmol/L

CI 95%

255.8

232–281

262.6

224–308

235.1

194–284

244.1

216–276

256.1

259–294

276.5

236–278

264.8

241–290

278.0

251–307