Table 1: Characteristics of the study subjects.

VariableControls ( )Obese adolescents ( )

Age (Years)12.9 ± 2.7 (4–18)12.4 ± 2.9 (4–18)
Body Length (m)1.56 ± 0.141.56 ± 0.14
Body Weight (kg)47.2 ± 13.474.5 ± 24.2**
BMI (kg/m²)18.7 (16.9–20.4)28.9 (26.2–32.4)+++
BMI-SDS0.21 (−0.7–0.8)5.4 (4.0–7.2)+++
Carotid IMT (cm)0.052 ± 0.0090.070 ± 0.09***
Neopterin (nmol/L)5.3 ± 1.94.9 ± 1.8*
C-Reactive protein (mg/dl)0.26 (0.17–0.84)1.9 (0.9–3.8)+++
HDL-cholesterol (mg/dl)48.4 ± 12.041.9 ± 11.2***
Oxidized LDL (mg/dl)35.1 ± 15.344.3 ± 16.9***
Insulin (uE/ml)7.9 (5.1–12.7)15.4 (8.8–29.1)+++
HOMA-IR1.7 (1.0–2.7)3.5 (1.8–6.9)+++
Resistin (ng/ml)3.7 ± 1.54.3 ± 1.6**
SBP (mmHg)115 ± 4.9125 ± 15.5***
DBP (mmHg)63.1 ± 968 ± 8.8***

Results are expressed as mean ± S.D. analysed by Student’s -test (* , ** , *** ) or as median (25th–75th percentile) and Mann Whitney test (+ , ++ , +++ depending on the distribution of data.
BMI, body mass index; BMI-SDS, BMI-standard deviation score; HOMA-IR, homeostatic model assessment-insulin resistance; SBP, systolic blood pressure; DBP, diastolic blood pressure; carotid IMT, carotid intima-media thickness.