Table 1 Patients’ thyroid functions, urine iodine levels and thyroid volumes
| Â | All cases (n = 80) | Normal thyroid function (n = 37) | Hyperthyrotropinemia (n = 32) | p value* | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
|  | n | Mean ± SD | Median (min-max) | n | Mean ± SD | Median (min-max) | n | Mean ± SD | Median (min-max) |  |
TSH (mU/L) | 80 | 24.8 ± 30.9 | 12.4 (0.08 ± 127.7) | 37 | 7.1 ± 4.8 | 5.9 (0.08-16.2) | 32 | 45.6 ± 33.4 | 34.7 (10.1-127.7) | 0.001 |
FT4 (pg/ml) | 80 | 13.6 ± 4.3 | 13.5 (5–26.4) | 37 | 14.4 ± 3.7 | 14.1 (7.8-25.1) | 32 | 12.5 ± 3.4 | 13.3 (7.2-22.5) | 0.08 |
FT3 (pg/ml) | 79 | 2.6 ± 0.9 | 2.5 (0.01-5.45) | 36 | 2.6 ± 0.6 | 2.7 (1.1-3.8) | 32 | 2.6 ± 1.1 | 2.5 (0.01-5.4) | 0.84 |
Thyroglobulin (ng/ml) | 62 | 102.3 ± 104.3 | 59.5 (1.9-510.8) | 25 | 67.2 ± 51.9 | 49.4 (6.5-199) | 27 | 142.4 ± 135.5 | 89.2 (4.4-510.8) | 0.055 |
Urine iodine (μg/dl) | 28 | 12.6 ± 12.3 | 10 (1–59) | 3 | 13.6 ± 1.5 | 14 (12–15) | 15 | 11.5 ± 10.3 | 10.2 (1–37) | - |
Thyroid volume (ml) | 36 | 0.55 ± 0.27 | 0.51 (0.20-1.51) | 8 | 0.43 ± 0.14 | 0.42 (0.24-0.63) | 22 | 0.64 ± 0.29 | 0.56 (0.31-1.51) | 0.01 |