Effect of circulating 25-hydroxyvitamin D and antioxidant capacity level on cognitive function parameters of children with idiopathic short stature

Egyptian Pediatric Association Gazette

Table 4 Correlation between cognitive function parameters, Vitamin D level, and oxidative stress parameters in all studied children

Variable	Statistics	Vitamin D	TAC	TOS	OSI
Non-verbal IQ	Pearson correlation	0.474**	0.737 **	0.091	− 0.654**
Non-verbal IQ	P value	0.000	0.000	0.487	0.000
Verbal IQ	Pearson correlation	0.327*	0.691**	0.251	− 0.633**
Verbal IQ	P value	0.011	0.000	0.053	0.000
Full-scale IQ	Pearson correlation	0.446**	0.769**	0.177	− 0.714**
Full-scale IQ	P value	0.0000	0.000	0.177	0.000
Fluid reasoning	Pearson correlation	0.346**	0.697**	0.128	− 0.722**
Fluid reasoning	P value	0.007	0.000	0.330	0.000
Knowledge	Pearson correlation	0.363**	0.691**	0.299*	− 0.311*
Knowledge	P value	0.004	0.000	0.020	0.015
Quantitative reasoning	Pearson correlation	0.350**	0.615**	0.272*	− 0.498**
Quantitative reasoning	P value	0.006	0.000	0.036	0.000
Visuospatial	Pearson correlation	0.340 **	0.644**	0.147	− 0.720**
Visuospatial	P value	0.008	0.000	0.263	0.000
Working memory	Pearson correlation	0.504**	0.653**	− 0.053	− 0.729**
Working memory	P value	0.000	0.000	0.687	0.000
Vitamin D	Pearson correlation		0.546**	0.041	− 0.317*
Vitamin D	P value		0.000	0.757	0.014
TAC	Pearson correlation	0.546**		0.212	− 0.623**
TAC	P value	0.000		0.104	0.000
TOS	Pearson correlation	0.041	0.212		0.366**
TOS	P value	0.757	0.104		0.004
OSI	Pearson correlation	− 0.317*	− 0.623**	0.366**
OSI	P value	0.014	0.000	0.004

IQ intelligence quotient, TAC total antioxidant capacity, TOS total oxidative stress, OSI oxidative stress index
**Correlation is significant at the 0.01 level (2-tailed)
*Correlation is significant at the 0.05 level (2-tailed)