Table 3. Characteristics of index cases and non-index cases.
| Non-index N = 15 | Index case N = 14# | p-value | |
|---|---|---|---|
| Age at diagnosis [years] | 35 ± 10.02 | 44 ± 12.12 | 0.057 |
| Female | 14/15 (93.3.5%) | 12/14 (85.7%) | 0.59 |
| Tumor characteristics | |||
| Tumor size [mm] | 13.8 ± 11.78 | 14.5 ± 11.32 | 0.47 |
| Lymph node metastasis | 5/15 (33.3%) | 6/13 (46%) | 0.7 |
| Multifocality | 9/15 (60%) | 10/13 (76.9%) | 0.43 |
| Extrathyroidal invasion | 0/15 (0%) | 5/13 (38.5%) | 0.011 |
| Recurrence | 0/14 (0%) | 2/14 (14.3%) | 0.48 |
Values are mean ±standard deviation or n (%).
One case with incomplete data as not evaluated at NIH.