Table 6.
Multivariate analysis of lymph node metastasis and clinicopathological features in PTMC
| Characteristics | B | SE | Wald | P | OR | 95% CI | |
|---|---|---|---|---|---|---|---|
| Lower | Upper | ||||||
| Gender | 0.640 | 0.171 | 13.964 | 0.000 | 1.896 | 1.355 | 2.651 |
| Age | −0.331 | 0.143 | 5.381 | 0.020 | 1.393 | 1.053 | 1.842 |
| Subtypes | |||||||
| CPTMC | 8.681 | 0.013 | Reference | ||||
| FPTMC | −0.415 | 0.150 | 7.687 | 0.006 | 0.660 | 0.492 | 0.885 |
| EnPTMC | −0.469 | 0.296 | 2.522 | 0.112 | 0.625 | 0.350 | 1.116 |
| Tumor size | 0.426 | 0.155 | 7.527 | 0.06 | 1.530 | 1.129 | 2.074 |
| Fibrosis | −0.327 | 0.549 | 0.356 | 0.551 | 0.721 | 0.246 | 2.112 |
| Minimal ETE | 0.581 | 0.182 | 10.153 | 0.001 | 1.788 | 1.251 | 2.557 |
| Coexistence of HT | −0.060 | 0.166 | 0.130 | 0.719 | 0.942 | 0.680 | 1.305 |
| Multifocality | 0.537 | 0.147 | 13.282 | 0.000 | 1.712 | 1.282 | 2.285 |
| Constant | −1.400 | 0.644 | 4.725 | 0.030 | 0.247 | ||
CPTMC conventional variant PTMC, FPTMC follicular variant PTMC, EnPTMC encapsulated variant PTMC, minimal ETE minimal extrathyroidal extension, HT Hashimoto’s thyroiditis