Efficacy of high-dose vs. low-dose vitamin D₃ supplementation in children with chronic tic disorders: a randomized controlled trial

Table 5 Regression analysis of YGTSS scores based on vitamin D levels after three months of supplementation

Coefficients^a
	B (SE)	β	t	P	R²	95% CI
Vitamin D levels (ng/mL)	-0.184 (0.065)	-0.515	-2.816	0.010	0.265	((-0.319)- (-0.048))

a. Dependent Variable: YGTSS score. Notes: Abbreviations: YGTSS = Yale Global Tic Severity Scale, B = unstandardized regression coefficient, SE = standard error, β = standardized regression coefficient, t = t-statistic, p = p-value, R² = coefficient of determination, CI = confidence interval

ISSN: 1475-2891