… The critical age for the decline in vitamin D was calculated using the classification tree with
age as a predictor and vitamin D concentration as the outcome variable (age was forced into …

… and women across the United States and Europe might have different degrees of vitamin D
deficiency, depending upon the different 25OHD thresholds (12-16). An estimated 30-50% of …

… of vitamin D deficiency, are all dependent on BMI, and age … women and 1 in 2 men with
BMI ≥40 are vitamin D deficient. … and proportional to the concentration of the vitamin in the …

… Furthermore, we now report that in guinea pigs, similar and significant declines in Vitamin
C concentration and erythrocyte recycling capacity are observed in young animals from the …

… total Cbl concentrations in children aged 0–18 years who visited a primary care laboratory,
and age-dependent … In conclusion, we studied Cbl biomarkers and estimated age-dependent …

… ships were age-dependent, male and … aged 20–70 years increased at a serum vitamin
B12 level ³0.16 nmol/l, whereas in older men an increase in mean MCV occurred only at vitamin …

… Furthermore, we studied the vitamin D metabolism in 42 … The vitamin D metabolites did not
show dependence on age or on duration of menopause. The serum concentrations of vitamin …

… Our results indicate that the risk of vitamin a deficiency in cystic fibrosis increases with age.
… with vitamin A. No correlation was found between the severity of liver disease and the vitamin …

… (C) Age-dependent changes in blood hemoglobin concentration… ) Age-dependent changes
in blood hemoglobin concentration, … (D) Variations of cognitive score with the age, medians of …

… are due to age-related decreases in concentrations of vitamins … is any age-dependent increase
in tHcy concentrations within … subjects irrespective of vitamin concentrations. Besides that, …