Effect of Vitamin D on Paraxonase-1, Total Antioxidant Capacity, and 8-Isoprostan in Children with Attention Deficit Hyperactivity Disorder

Table 4

Comparison of the mean difference of variables at the beginning and end of the study (end-beginning) between the two groups.

Variable (%)	Placebo control		Vitamin D		value
	Before	After	Before	After
TAC (ng/ml)	18.57 (2.12)	17.69 (2.40)	19.22 (2.54)	14.90 (1.90)	0.07
PON-1 (pg/ml)	101.91 (12.83)	101.80 (13.31)	96.05 (13.37)	94.65 (12.69)	0.70
8-Isoprostane (pg/ml)	218.27 (34.73)	282.21 (49.98)	194.24 (32.86)	239.70 (41.50)	0.75
Vitamin D3 (ng/ml)	15.99 (1.88)	15.99 (1.88)	23.52 (1.75)	33.44 (2.14)	0.01

Univariate covariance analysis (ANCOVA) adjusted for the baseline vitamin D; mean ± standard error; TAC: total antioxidant capacity; PON-1: paraxonase-1; 8-isoprostane; vitamin D3.