| Variable |
Locoregional Control |
Distant Metastasis
Control |
Overall Survival |
| Age (< 50 vs. > 50 years) |
0.33 |
0.66 |
0.71 |
| Gender(Female vs. male) |
0.98 |
0.90 |
1.00 |
| T stage (T3 vs. T4) |
0.03 |
0.02 |
0.23 |
| N stage (N0 vs. N1) |
0.77 |
0.66 |
0.56 |
| Type of surgery (total vs, subtotal) |
0.02 |
0.90 |
0.23 |
| Neck dissection (yes vs. no) |
0.90 |
1.00 |
1.00 |
| LN positive (< 4 vs. > 4) |
0.85 |
0.03 |
0.56 |
| LVI ( no vs. yes) |
0.03 |
0.90 |
0.60 |
| Margin status ( negative vs. positive) |
0.75 |
0.44 |
0.70 |
| ETE (no vs. yes) |
0.45 |
0.45 |
0.56 |
| Multifocality (no vs. yes) |
0.55 |
0.40 |
0.33 |
T= tumor, N= stage, M= metastasis, LN= lymph nodes, LVI= lymphovascular
invasion, ETE= extra thyroid extension |
