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Table 2 Statistically significant changes and trends in the commercial laboratory results of mean differences between age groups when a cutoff is applied separating children ages 3–5 from children ages 6–12

From: A cleanroom sleeping environment’s impact on markers of oxidative stress, immune dysregulation, and behavior in children with autism spectrum disorders

Commercial laboratory variable Mean change younger cohort Mean change older cohort p-value
CD3% −2.75 2.33 0.036
CD4% −2.50 1.67 0.028
WBC 2.13 −0.70 0.031
IgA 4.25 −13.17 0.059
Zinc/Copper Ratio −0.08 0.13 0.061