Vitamin D and vitamin D receptor levels in children with attention-deficit/hyperactivity disorder

Figures & data

Table 1 Sociodemographic characteristics of the study groups

	ADHD group Mean ± SD or n (%)	Control group Mean ± SD or n (%)	p-value
Age, years	8.65±1.53	8.77±173	0.15
Sex			0.38
Male	28 (70)	25 (62.5)
Female	12 (30)	15 (37.5)
BMI (kg/m^2)	18.02±2.25	17.88±3.47	0.78

Abbreviations: ADHD, attention-deficit/hyperactivity disorder; BMI, body mass index.

Table 2 Laboratory results of the study groups

	ADHD group (mean ± SD)	Control group (mean ± SD)	p-value
25-OH vitamin D (ng/mL)	24.10±3.98	32.71±4.26	<0.001
Vitamin D receptor	1.69±0.22	2.08±0.42	<0.001
Calcium (mg/dL)	9.7±0.6	9.6±0.8	>0.05
Phosphorus (mg/dL)	5.2±1.2	5.1±0.4	>0.05
Alkaline phosphatase (U/L)	193.5±48.4	191.3±60.7	>0.05

Note: Bold represents statistically significant values (p<0.05).

Abbreviation: ADHD, attention-deficit/hyperactivity disorder.