Allergic diseases in children with attention deficit hyperactivity disorder: a systematic review and meta-analysis.

From the institutional-based studies [ 34 – 36 ], the odds of atopic dermatitis appeared to be only slightly higher in the ADHD groups compared with the control groups (OR: 1.16, 95% CI: 1.00 - 1.35, I 2 = 0%; three studies, n = 8613 children), and the effect estimate did not reach statistical significance as the confidence interval crossed the line of null effect.

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