Dosimetric Results for All Patients
| Parameters of iodine kinetics | Hypothyroid (n = 300) | rhTSH (n = 66) | P |
| Activity (MBq) | 3,417 ± 599 | 3,284 ± 728 | 0.34 |
| Thyroid uptake (%) | 4.2 ± 1.8 | 3.8 ± 1.6 | 0.12 |
| Thyroid half-life (h) | 30.6 ± 15.0 | 30.1 ± 14.6 | 0.86 |
| Thyroid cumulated activity (MBq*d) | 287 ± 209 | 250 ± 192 | 0.08 |
| Thyroid residence time (h) | 2.1 ± 1.5 | 1.9 ± 1.3 | 0.26 |
| Thyroid dose (Gy) | 801 ± 587 | 702 ± 540 | 0.09 |
| Whole-body half-life (h) | 19.3 ± 7.7 | 16.4 ± 4.6 | ≤0.01 |
| Whole-body cumulated activity (MBq*d) | 1,695 ± 547 | 1599 ± 498 | 0.31 |
| Whole-body residence time (h) | 11.9 ± 3.3 | 11.8 ± 3.4 | 0.64 |
| Remaining-body dose (mGy) | 90 ± 30 | 86 ± 27 | 0.36 |