Table 3

Degree of overweight (z score BMI), thyroid hormones, and leptin before and one year later after weight loss in 55 obese children

Before weight lossAfter weight lossp value
Data expressed as median (range).
z score BMI+3.1 (+1.9 to +4.1)+2.4 (+0.8 to +3.9)<0.001
TSH (mIU/l)2.34 (0.80–7.81)2.24 (0.98–6.33) 0.491
T3 (nmol/l)2.30 (1.69–6.14)2.15 (1.31–3.69) 0.001
T4 (nmol/l)114 (73–157)101 (24–137)<0.001
Leptin (ng/ml)20.8 (2.2–124.0)14.8 (1.0–54.0)<0.001