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Table 1 Sociodemographic data and anthropometric measurements of the studied group

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

Variable Thalassemic group (no. = 55) Control group (no. = 30) Test P
Mean ± SD Range Mean ± SD Range
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
Male 36 65.45 20 66.67
 Family history of thalassemia No 26 47.27 30 100.0 24.01 < 0.001 (HS)
Yes 29 52.73 0 0.0
 Consanguinity Negative 26 47.27 20 66.67 2.94 0.09
Positive 29 52.73 10 33.33
  1. t Student t-test, Z Mann-Whitney test, BMI body mass index, P probability (significant if < 0.05)