Table 2. . Initial characteristics of patients enrolled in prospective study.
| Patient and tumor characteristics (n = 38) | Continuous variables | |
|---|---|---|
| Mean | SD | |
| Age (years) | 45.5 | 13.8 |
| Tumor size (largest focus) (cm) | 1.9 | 0.7 |
| Multifocality: number of foci | 3 | 2.9 |
| Number of cervical lymph nodes | 7 | 15 |
| Treatment activity of radioiodine (mCi) | 133 | 79 |
| Categorical variables | ||
|---|---|---|
| Number | Percentage | |
| Sex | ||
| – Female | 34 | 89 |
| – Male | 4 | 11 |
| Total thyroidectomy | ||
| – Yes | 38 | 100 |
| DTC histology | ||
| – Papillary | 27 | 71 |
| – Variants, papillary | 11 | 29 |
| Cervical node involvement | ||
| – Yes | 25 | 66 |
| – No | 13 | 34 |
| Extrathyroidal extension | ||
| – Yes | 15 | 39 |
| – No | 23 | 61 |
| Multifocality | ||
| – Yes | 24 | 63 |
| – No | 14 | 37 |
| Distant metastases | ||
| – Yes | 4 | 11 |
| – No | 34 | 89 |
| Radioiodine therapy | ||
| – Yes | 35 | 92 |
| – No | 3 | 8 |
| TNM stage | ||
| – I | 23 | 61 |
| – II | 5 | 13 |
| – III | 6 | 15 |
| – IV | 4 | 11 |
| NTCTCSG stage | ||
| – I | 22 | 58 |
| – II | 5 | 13 |
| – III | 9 | 24 |
| – IV | 2 | 5 |
DTC: Differentiated thyroid cancer; NTCTCSG: National Thyroid Cancer Treatment Cooperative Study Group; TNM: Tumor, nodes, metastases.