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Table 1 Comparison of the demographic and clinical characteristic between non-obese and obese children

From: Relationships of apelin concentration and APLN T-1860C polymorphism with obesity in Thai children

Variables Non-obese group (n = 127) Obese group (n = 198) P-value
Age (years) 10.0 ± 1.5 10.3 ± 1.3 0.109
Weight (kg) 35.8 ± 9.3 62.4 ± 15.6 < 0.001**
BMI (kg/m2) 17.3 (15.9, 18.9) 27.2 (24.6, 29.7) < 0.001**
BMI z-score 0.3 (−0.3, 0.7) 2.8 (2.4, 3.3) < 0.001**
WC (cm) 62.1 ± 7.2 86.5 ± 12.7 < 0.001**
Systolic BP (mmHg) 100.0 ± 11.0 115.0 ± 12.0 0.065
Diastolic BP (mmHg) 65.1 ± 9.0 70.0 ± 9.0 0.109
Apelin (ng/ml) 1.6 (0.9, 2.4) 1.0 (0.6, 1.6) < 0.001**
Glucose (mg/dl) 88.0 ± 5.6 90.0 ± 6.0 0.506
TyG index 7.61 ± 0.30 8.28 ± 0.44 0.002**
TC (mg/dl) 173.0 ± 30.0 176.0 ± 31.0 0.438
TG (mg/dl) 58.0 (42.0, 67.0) 85.0 (66.0, 118.0) < 0.001**
HDL-C (mg/dl) 55.0 (46.0,64.0) 44.0 (38.0–50.0) < 0.001**
LDL-C (mg/dl) 103.0 ± 23.0 111.0 ± 26.0 0.270
TG/HDL-C 0.9 (0.7, 1.3) 2.0 (1.4, 2.9) < 0.001**
TC/HDL-C 3.01 ± 0.49 4.07 ± 0.94 < 0.001**
LDL-C/HDL-C 1.89 ± 0.39 2.60 ± 0.78 < 0.001**
Acanthosis nigricans
 Yes 0.0 (0%) 61 (30.8%) < 0.001 a**
 No 127 (100%) 137 (69.2%)  
  1. Data are means ± standard deviation or medians with interquartile range (25th–75th percentile) Significance levels: **P < 0.01
  2. aBased on the results of a chi-squared test