Table 2.
Ultrasound characteristic of thyroid nodules.
| Group 1 (age 3–20) | Group 2 (age 21–90) | Significance | |||
|---|---|---|---|---|---|
| Age (min–max) | 6–20 | 21–90 | |||
| Age (mean ± SD) | 15.1 ± 3.21 | 47.8 ± 13.2 | |||
| Male | 42 | 17.9 | 216 | 22.9 | |
| Female | 193 | 82.1 | 726 | 77.1 | |
|
| |||||
| n | % | n | % | ||
|
| |||||
| All patients | 235 | 942 | |||
| Patients with solitary nodule | 152 | 64.7 | 331 | 35.1 | p < 0.001 |
| Patients with multiple nodules | 83 | 35.3 | 611 | 64.9 | |
| All nodules | 327 | 1829 | |||
| Cystic nodule | 106 | 32,4 | 518 | 28.3 | |
| Hypoechogenic | 173 | 52.9 | 729 | 39.9 | p < 0.001 |
| Echonormal | 29 | 8.9 | 194 | 10.6 | p < 0.001 |
| Hyperechogenic | 19 | 5.8 | 388 | 21.2 | p < 0.001 |
| Maximal diameter of nodules (median) | 13 | 19 | |||