Biological Marker | Pooled Mean | Confidence Interval | Target Value | Number of studies |
---|---|---|---|---|
Haemoglobin (g/dL) | 112.4 | 95.4–133.8 | 110 | 9 |
25_OH_D (nmol/L) | 55.9 | 6.2–105.7 | 25 | 6 |
Ferritin (μg/L) | 18.2 | 0–48.3 | 15 | 4 |
Haematocrit (g/L) | 32.5 | 28.0–39.4 | 33 | 4 |
Zinc (μmol/L-1) | 11.5 | 5.9–17.1 | 6.12 | 3 |
B12 (pmol/L) | 181.6 | 0–271.1 | 150 | 3 |
Serum Folate (nmol/L) | 12.8 | 0–26.8 | 10 | 2 |
Selenium (μg/L) | 61.8* | 39.2–84.4 | 90 | 2 |
Homocystine (μmol/L) | 7.6 | 0–17.0 | Less than 13 | 2 |