Table 2.
Comparison of clinical characteristics between obese individuals and non-obese controls.
| Characteristics | Obese individuals | Non-obese controls | P |
|---|---|---|---|
| Number | N = 397 | N = 2,411 | |
| Age (range, years) | 18–89 | 18–87 | – |
| Mean age (years) | 44.3 (16.3) | 43.4 (15.8) | 0.28 |
| BMI (kg/m2) | 30.7 (2.7) | 23.1 (2.7) | < 0.001 |
| Smoking [n (%)] | 144 (36.3%) | 608 (25.2%) | < 0.001 |
| Type 2 diabetes [n (%)] | 87 (21.9%) | 282 (11.7%) | < 0.001 |
| Hypertension [n (%)] | 225 (56.7%) | 644 (26.7%) | < 0.001 |
| Iodized salt intake [n (%)] | 314 (79.1%) | 1865(77.4%) | 0.441 |
| Urinary iodine concentration | 160.0 (114.6–227.9) | 165.1 (110.5–237.4) | 0.569 |
| TSH (mIU/l) | 2.39 (1.69–3.27) | 2.34 (1.71–3.29) | 0.622 |
| TPOAb (U/ml) | 8.41 (6.47–12.40) | 8.83 (6.41–12.62) | 0.349 |
| TGAb (U/ml) | 12.05 (10.00–15.05) | 11.69 (10.00–15.18) | 0.609 |
Normally distributed variables were expressed as mean ± SD, non-normally distributed variables as median with IQR, and categorical variables as number with percentages (%). BMI, body mass index; TSH, thyroid stimulating hormone; TPOAb, thyroid peroxidase antibody; TGAb, thyroglobulin antibody.