Assessment of serum vitamin D levels in Egyptian children with beta-thalassemia major

Egyptian Pediatric Association Gazette

Table 1 Sociodemographic data and anthropometric measurements of the studied group

Variable		Thalassemic group (no. = 55)		Control group (no. = 30)		Test	P
Variable		Mean ± SD	Range	Mean ± SD	Range	Test	P
Age (years)		8.79 ± 4.56	5–17	8.02 ± 4.65	5–17	t = 0.74	0.46
Weight (kg)		20.78 ± 12.44	9–56	28.73 ± 14.87	11–65	Z = 2.33	0.02 (S)
Height (cm)		110.44 ± 25.04	75–150	121.17 ± 26.24	77–170	Z = 1.20	0.04 (S)
BMI (kg/m²)		17.04 ± 2.33	13–24	18.45 ± 1.87	16–23	t = 3.05	0.003 (S)
		No.	%	No.	%	Chi-square test
Sex	Female	19	34.55	10	33.33	0.01	0.91
Sex	Male	36	65.45	20	66.67	0.01	0.91
Family history of thalassemia	No	26	47.27	30	100.0	24.01	< 0.001 (HS)
Family history of thalassemia	Yes	29	52.73	0	0.0	24.01	< 0.001 (HS)
Consanguinity	Negative	26	47.27	20	66.67	2.94	0.09
Consanguinity	Positive	29	52.73	10	33.33	2.94	0.09

t Student t-test, Z Mann-Whitney test, BMI body mass index, P probability (significant if < 0.05)