Table 1 General characteristics of obese and nonobese subjects
Obese subjects (n = 289) | Nonobese subjects (n = 2216) | P | |
|---|---|---|---|
Age(y) | 49.07 ± 13.97 | 45.28 ± 15.89 | < 0.001 |
Age category [n(%)] | 0.198 | ||
< 65y | 243 (84.08%) | 1926 (86.91%) | |
≥ 65y | 46%(15.92%) | 290 (13.09%) | |
Sex [n(%)] | 0.321 | ||
Male | 135 (46.71%) | 971 (43.81%) | |
Female | 154 (53.29%) | 1245 (56.18%) | |
BMI (kg/m2) | 30.39 ± 2.30 | 22.66 ± 2.77 | < 0.001 |
Waist circumference (cm) | 97.18 ± 7.13 | 80.18 ± 9.31 | < 0.001 |
Hip circumference (cm) | 104.85 ± 0.59 | 93.32 ± 0.13 | < 0.001 |
Percentage of body fat(%) | 34.31 ± 6.02 | 26.71 ± 6.78 | < 0.001 |
Smoking status [n(%)] | 0.006 | ||
No | 209 (72.32%) | 1765 (79.65%) | |
Yes | 80 (27.68%) | 451 (20.35%) | |
DM [n(%)] | 0.035 | ||
No | 263 (91.00%) | 2090 (94.31%) | |
Yes | 26 (9.00%) | 126 (5.69%) | |
Hypertension [n(%)] | < 0.001 | ||
No | 249 (86.16%) | 2067 (93.28%) | |
Yes | 40 (13.84%) | 149 (6.72%) | |
Urinary iodine concentration (μg/L) | 137.00 (94.35–194.50) | 128.00 (87.05–181.38) | 0.028 |
Subclinical hypothyroidism [n(%)] | 0.045 | ||
Yes | 27 (9.34%) | 138 (6.23%) | |
No | 262 (90.66%) | 2078 (93.77%) | |
Positive TPO-Ab and/or Tg-Ab [n(%)] | 0.250 | ||
Yes | 58 (20.07%) | 384 (17.33%) | |
No | 231 (79.93%) | 1832 (82.67%) | |
Positive TPO-Ab and Tg-Ab [n(%)] | 0.032 | ||
Yes | 31 (10.73%) | 157 (7.08%) | |
No | 258 (89.27%) | 2059 (92.92%) | |
Positive Tg-Ab [n(%)] | 0.045 | ||
Yes | 52 (17.99%) | 302 (13.63%) | |
No | 237 (82.01%) | 1914 (86.37%) | |
Positive TPO-Ab [n(%)] | 0.303 | ||
Yes | 37 (12.80%) | 239 (10.79%) | |
No | 252 (87.20%) | 1977 (89.21%) | |
Serum TSH level (mIU/L) | 1.82 (1.25,2.64) | 1.97 (1.24,2.70) | 0.261 |