Table 1. Main clinical and pathological characteristics of the 106 patients.
| n (%) | |
|---|---|
| Age, <70/⩾70 years | 82 (77)/24 (23) |
| Gender, women/men | 36 (34)/70 (66) |
| PS, 0–1/⩾2 (ECOG) | 73 (69)/33 (31) |
| Stage a | |
| Early stage (I and II) | 18 (17) |
| Locally advanced stage (IIIA and IIIB) | 35 (33) |
| Distant metastasis (IV) | 53 (50) |
| Histological differentiation | |
| Poorly differentiated | 38 (36) |
| Moderately differentiated | 47 (44) |
| Well differentiated | 21 (20) |
| TTF1 staining (positive/negative) | 70 (66)/36 (33) |
a
UICC Classification.
PS=performance status; TTF1=thyroid transcription factor 1.