Table 1.
Baseline and pre-RIT patient clinical characteristics (n = 2543).
| Characteristic | |
|---|---|
| Gender | |
| Male | 793(31.2%) |
| Female | 1750(68.8%) |
| Age(years) | |
| Mean ± SD | 40.8 ± 13.6 |
| Median (range) | 40.0(10–80) |
| FT3(pmol/l) | |
| Mean ± SD | 34.2 ± 11.2 |
| Median (range) | 33.6(6.6–50) |
| FT4(pmol/l) | |
| Mean ± SD | 79.3 ± 19.6 |
| Median (range) | 83.4(28.0–100) |
| Disease duration (mons) | |
| Mean ± SD | 31.8 ± 42.8 |
| Median (range) | 12.0(0.2–360) |
| ATD | |
| With | 1742(68.5%) |
| Without | 801(31.5%) |
| Time of ATD(mons) | |
| Mean ± SD | 18.3 ± 31.6 |
| Median (range) | 3.0(0–240) |
| 4 h thyroid 131I uptake(%) | |
| Mean ± SD | 41.3 ± 20.6 |
| Median (range) | 40(7–92) |
| 24 h thyroid 131I uptake(%) | |
| Mean ± SD | 75.6 ± 19.5 |
| Median (range) | 76(32–96) |
| Thyroid weight(g) | |
| Mean ± SD | 58.6 ± 27.0 |
| Median (range) | 52.0(15–212) |
| Complications | |
| With | 662(26.0%) |
| Without | 1881(74.0%) |
| Thyroid nodules | |
| With | 36414.3%) |
| Without | 2179(85.7%) |
| Thyroid texture | |
| Soft | 1275(50.1%) |
| Moderate | 943(37.1%) |
| Stiff | 325(12.8%) |
Data are presented as count (percentage) or mean ± SD and median (range). RAIU = radioiodine uptake, FT3 = free triiodothyronine, FT4 = free thyroxine, SD = standard deviation, ATD = antithyroid drugs.