Comparability of 2 Groups
| Parameter | Group 1 (123I, n = 26) | Group 2 (131I, n = 23) |
|---|---|---|
| Papillary/follicular carcinoma | 22/4 | 21/2 |
| Presence of anti-tg antibody (%) | 6/26 (23%) | 4/23 (17%) |
| Females/males | 20/6 | 17/6 |
| Mean age ± 1 SD (y) | 42.4 ± 14.4 | 42.9 ± 17.5 |
| Iodine uptake in neck remnant (%) | 3.7 ± 2.8 | 4.1 ± 3.1 |
| No. of patients with visualized neck node metastases on diagnostic scan | 3/26 | 3/23 |