Table 1.
Comparison of distribution of thyroid disorders in younger and older patients.
| Group 1 (age 3–20) | Group 2 (age 21–90) | Significance | |||
|---|---|---|---|---|---|
| Age (min–max) | 3–20 | 21–90 | |||
| Age (mean ± SD) | 14.9 ± 3.39 | 47.3 ± 14.7 | |||
|
| |||||
| n ∗ | % | n ∗ | % | ||
|
| |||||
| All patients | 3010 | 3010 | |||
| Intact thyroid∗∗ | 1730 | 57.5 | 387 | 12.9 | |
| Not fully intact thyroid∗∗ | 249 | 8.3 | 229 | 7.6 | |
| Diseased | 1031 | 34.3 | 2394 | 79.5 | |
| Graves' disease | 108 (4) | 10.5 | 171 (13) | 7.1 | |
| Primary hypothyroidism | 255 (4) | 24.7 | 821 (54) | 34.3 | |
| Hashimoto in euthyroid state | 397 (12) | 38.5 | 372 (50) | 15.5 | |
| Hashitoxicosis | 39 | 3.8 | 65 (5) | 2.7 | |
| Congenital hypothyroidism | 5 | 0.5 | 0 | 0.0 | |
| De Quervain's thyroiditis | 1 | 0.1 | 37 | 1.5 | |
| Acute thyroiditis | 0 | 0.0 | 2 | 0.1 | |
| Autonomous nodule | 6 | 0.6 | 45 | 1.9 | |
| Other nodules | 209 | 20.3 | 775 | 32.4 | |
| Previously operated | 11 | 1.1 | 106 | 4.4 | |
∗The number of patients with thyroid nodule greater than 1 cm in maximal diameter is given in parentheses.
∗∗These terms were used for those patients who were euthyroid and presented an echonormal thyroid on ultrasound, and the thyroid contained no discrete lesion or only discrete lesion less than 5 mm in maximal diameter, intact thyroid or not fully intact thyroid, respectively.