Serum Total Homocysteine Concentrations in the Third National Health and Nutrition Examination Survey (1991–1994): Population Reference Ranges and Contribution of Vitamin Status to High Serum Concentrations

Figure 2. Mean homocysteine concentrations are plotted at the median vitamin B value within each decile category. Lines represent the smoothed trend of the geometric mean across decile categories. Bars represent 95% CIs.
Figure 2. Mean homocysteine concentrations are plotted at the median vitamin B value within each decile category. Lines represent the smoothed trend of the geometric mean across decile categories. Bars represent 95% CIs. Geometric mean serum total homocysteine concentrations by decile category of serum vitamin B 12 concentration for male participants (circles) and female participants (squares) 12 to 19 years of age (top left), 20 to 39 years of age (top right), 40 to 59 years of age (bottom left), and 60 years of age or older (bottom right).12

This Article

  1. Ann Intern Med September 7, 1999 vol. 131 no. 5 331-339
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