Table 3.
Multivariate analysis of predictors of persistent/recurrent disease.
| Parameters | OR(95%) | P |
|---|---|---|
| Sex Male Female |
1 0.993(0.531-1.858) |
0.982 |
| Extent of lymph node dissection Central lymph node dissection Lateral lymph node dissection Central and lateral lymph node dissection |
1 0.649(0.121-3.482) 0.582(0.175-1.935) |
0.614 0.377 |
| Number of surgeries 1 2 or more |
1 1.598(0.641-3.983) |
0.315 |
| Histology Classic PTC FV-PTC FTC Aggressive histology |
1 0.979(0.081-11.846) 0 6.217(0.426-90.734) |
0.987 0.999 0.182 |
| Gross ETE Yes No |
1 0.950(0.210-4.292) |
0.946 |
| Multifocality Yes No |
1 1.224(0.649-2.308) |
0.533 |
| Capsular invasion Yes No |
1 1.165(0.535-2.537) |
0.701 |
| Invasion of loco-regional tissues or structures Yes No |
1 1.501(0.679-3.319) |
0.316 |
| Vascular invasion Yes No |
1 1.218(0.485-3.058) |
0.674 |
| T T0、T1、T2 T3、T4、Tx |
1 0.933(0.339-2.571) |
0.894 |
| N N0 N1a N1b |
2.432(0.738-8.012) | 0.144 |
| ATA risk stratification Low Intermediate High |
1 3.278(0.367-29.235) 3.634(0.237-55.784) |
0.288 0.354 |
| Number of invaded lymph nodes ≤5 >5 |
1 0.760(0.363-1.593) |
1 0.468 |
| Size of the largest metastatic LN(cm) ≤0.4 0.4-1.4 >1.4 |
1 2.444(1.100-5.432) 6.614(2.204-19.850) |
0.028 0.001 |
| Extranodal extension of LN Yes No |
1 1.280(0.660-2.485) |
0.465 |
| Cumulative 131I-administered activities(GBq) ≤7,40 >7.40 |
1 6.679(3.162-14.109) |
<0.001 |
| ps-Tg (ng/mL) ≤10.1 >10.1 |
1 4.646(2.457-8.786) |
<0.001 |
ATA, American Thyroid Association; PTC, papillary thyroid cancer; FTC, follicular thyroid cancer; FV-PTC, follicular variant PTC; ps-Tg, pre-ablation stimulated thyroglobulin; LN, lymph node; BMI, Body Mass Index; ETE, extrathyroidal extension.