Table 6

Concentrations of biochemical indicators in Peruvian women and in US women in the 2003–04 National Health and Nutrition Examination Survey (NHANES)
Peru (Trimester 1–3)2 NHANES
Biochemical indicator1 Peru GM (95% CI) n US GM (95% CI) n
Retinol 1.43 (1.40-1.49) 193 1.33 (1.28-1.38) 248
Alpha-tocopherol 27.2 (26.2-28.3) 193 29.4 (28.0-30.9) 248
Gamma-tocopherol 3.14 (2.98-3.32) 193 4.77 (4.51-5.04) 248
Alpha-carotene 0.19 (0.18-0.21) 193 0.048 (0.043-0.054) 248
Beta-carotene 0.21 (0.20-0.23) 193 0.23 (0.21-0.25) 248
Cis-beta-carotene 0.018 (0.017-0.020) 71 0.019 (0.019-0.020) 248
Beta-cryptoxanthin 0.43 (0.39-0.47) 193 0.19 (0.17-0.20) 248
Lutein + zeaxanthin 0.53 (0.50-0.58) 193 0.30 (0.28-0.31) 248
Trans-lycopene 0.058 (0.052-0.063) 193 0.41 (0.39-0.43) 248
Total lycopene 0.15 (0.14-0.18) 193 0.77 (0.72-0.81) 248
Iron 12.1 (11.2-13.0) 202 13.5 (12.7-14.3) 251
Ferritin (pmol/L)3 52.1 (45.2-60.2) 192 52.1 (47.0-58.0) 250
Total iron bound capacity 71.2 (69.0-71.3) 181 77.1 (75.1-79.0) 251
Transferrin saturation (%) 17.9 (16.4-19.6) 181 17.5 (16.3-18.7) 251

1All concentrations expressed as μmol/L except otherwise stated.

2The Peru concentrations are geometric means calculated from data for all pregnant women having measurements across all trimesters.

3For ferritin, (1 pmol/L = 2.247 ng/ml).

Horton et al.

Horton et al. Nutrition Journal 2013 12:80   doi:10.1186/1475-2891-12-80

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