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Table 1 Characteristics* of the study population according to the body mass index category

From: Association of the components of the metabolic syndrome with non- alcoholic fatty liver disease among normal-weight, overweight and obese children and adolescents

Variables Total Normal weight Overweight Obese P
Age (years) 12.57 ± 3.3 12.08 ± 3.5 13.40 ± 3 12.23 ± 3.1 0.1
Weight (Kg) 51.37 ± 19.2 37.46 ± 13.1 56.07 ± 14.3 66 ± 18.7 <.0001
Height (cm) 151.11 ± 14.7 147.28 ± 16.4 154.19 ± 12.7 152.86 ± 13.3 <.0001
Body mass index (Kg/m2) 21.75 ± 5.5 16.65 ± 2.8 23.12 ± 2.9 27.59 ± 3.8 <.0001
Waist circumference (cm) 79.23 ± 14.4 66.71 ± 8.8 82.74 ± 8.8 93.33 ± 10.9 <.0001
Hip circumference (cm) 91.22 ± 14.6 79.84 ± 11.8 95.70 ± 10 102.39 ± 11.3 <.0001
Alanine aminotransferase (U/L) 19.50 ± 10.4 15.87 ± 7.8 19.62 ± 10.6 24.73 ± 11.3 <.0001
Aspartate transaminase (U/L) 24.04 ± 10.5 23.46 ± 9.2 23.33 ± 10.6 25.80 ± 11.8 0.003
Alkaline phosphatase(U/L) 525.43 ± 148.7 534.42 ± 157.6 494.54 ± 148.9 551.26 ± 131.5 0.08
Fasting blood glucose (mg/dL) 82.50 ± 8.6 81.85 ± 8.6 82.52 ± 8.9 83.43 ± 8.2 0.06
Triglycerides (mg/dL) 112.93 ± 55.4 96.66 ± 40.1 110.51 ± 52.9 140.16 ± 66.8 <.0001
Total cholesterol(mg/dL) 169.60 ± 30.9 161.55 ± 26.7 168.12 ± 31.8 183.45 ± 30.9 <.0001
HDL-cholesterol (mg/dL) 45.75 ± 11.8 48.48 ± 13 44.44 ± 10.3 43.38 ± 10.8 <.0001
LDL-cholesterol (mg/dL) 101.74 ± 26.6 94.13 ± 23.5 102.12 ± 27 112.53 ± 26.6 <.0001
Systolic blood pressure (mmHg) 103.39 ± 14.9 97.78 ± 13.3 104.56 ± 13.5 110.13 ± 15.8 <.0001
Diastolic blood pressure(mmHg) 63.85 ± 10.3 61.19 ± 9.1 65.27 ± 10.4 66.01 ± 11 <.0001
  1. *: mean ± standard deviation