Table 4: Comparison of serum micronutrients of ADHD children with age-paired NHANES .

Serum MeasureMean ADHDMean, NHANES IIP-value95% CI of the Difference
[38]LowerUpper

zinc ( mol/L)
  6–8 years* −2.463−1.015
 9–11 −3.1631.612

ferritin ( g/L)
 6–8 years −7.220712.5294
 9–11 years −7.967210.3422

copper ( mol/L)
 6–8 years −6.846−4.278
 9–11 years −5.562−2.834

represent
year old children
year old children