Research Article

Impact of Weight Reduction on Thyroid Function and Nonalcoholic Fatty Liver among Egyptian Adolescents with Obesity

Table 2

Comparison of clinical, laboratory, and radiological variables of the studied participants before and after weight reduction measures.

VariablesBefore mean ± SDAfter mean ± SD valuea

BMI32.05 ± 3.3628.1 ± 2.77<0.001a
BMI (z-score)2.96 ± 0.522.34 ± 0.59<0.001a
Obesity grades
 Overweight0 (0)16 (26.2)0.002b
 Obese I39 (63.9)35 (57.4)
 Obese II22 (36.1)10 (16.4)
Acanthosis nigricans
 Absent47 (77)48 (78.7)0.82b
 Present14 (23)13 (21.3)
Blood pressure, n (%)
 Normal53 (86.8)58 (95.1)0.002b
 Elevated8 (13.2)3 (4.9)
 Systolic BP (mmHg)107.52 ± 11.34101.68 ± 9.710.008
 Diastolic BP (mmHg)62.59 ± 10.8859.09 ± 10.360.001
Serum T4 (ug/dl)11.0 ± 1.6510.4 ± 1.590.009a
TSH (mU/L)5.2 ± 2.863.9 ± 1.59<0.001a
TSH, n (%)
 Normal32 (52.5)49 (80.3)0.011b
 Elevated29 (47.5)12 (19.7)
HbA1c (%)4.7 ± 0.374.5 ± 0.29<0.001a
Lipid profile
 Triglyceride (mg/dl)136.4 ± 26.6115.6 ± 18.4<0.001a
 Total cholesterol (mg/dl)160.3 ± 20.1145.3 ± 13.6<0.001a
 LDL (mg/dl)113.5 ± 20.699.2 ± 14.7<0.001a
 HDL (mg/dl)47.4 ± 4.947.3 ± 5.70.975a
 ALT (IU/L)41.8 ± 18.436.0 ± 10.2<0.001a
US for the fatty liver, n (%)
 Absent42 (68.9)45 (73.8)0.54b
 Present19 (31.1)16 (26.2)

a values are based on the paired t-test. Statistical significance at . b values are based on McNemar’s test. Statistical significance at . Bold values represent the significant improvement after weight reduction measures.