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Table 1 Baseline clinical data of the obese children and non-obese controls

From: Serum trace elements in obese Egyptian children: a case–control study

  Obese children (n = 80) Controls (n = 80) P
Age (years) 7.8 ± 2.3 8.1 ± 1.9 >0.05a
Male/female 44(55%)/36(45%) 40(50%)/40(50%) >0.05b
BMI (kg/m 2 ) 28.8 ± 2.6 16.2 ± 2.4 <0.01a
BMI z score 3.7 ± 0.6 0.32 ±0.4 <0.01a
Waist circumference (cm) 87.5 ± 8.7 59.6 ± 7.6 <0.01a
Hip circumference (cm) 97.3 ± 5.4 73.5 ± 4.8 <0.01a
Waist/hip ratio 0.89 ± 0.06 0.81 ± 0.05 <0.01a
  1. BMI, body mass index; Values are mean ± standard deviations. aStudent’s t-test. bChi-square test. P value < 0.05 indicates a significant difference.