Table I.
Age, gender and body mass index distribution in each group (mean ± SD).
| Group | No. | Age (years) | Gender (male/female) | BMI (kg/m2) |
|---|---|---|---|---|
| 0 | 18 | 43.33±12.96 | 6/12 | 21.2±3.6 |
| 1 | 18 | 42.17±12.24 | 5/13 | 22.5±2.2 |
| 2 | 18 | 42.67±15.28 | 6/12 | 21.8±3.3 |
| 3 | 20 | 49.60±11.81 | 8/14 | 22.6±2.7 |
| 4 | 17 | 49.65±12.30 | 6/11 | 22.3±3.5 |
Group 0, control group; group 1, patients with hot thyroid nodules; group 2, patients with solid cold thyroid nodules; group 3, patients with cystic cold thyroid nodules; group 4, cystic fluid samples from patients with cystic cold thyroid nodules; BMI, body mass index.