Table 3.
Univariate and multivariate logistic regression analysis of factors (incorporating the status of BRAF mutation) associated with extrathyroidal extension in patients with PTC
| Variable | Univariate |
Multivariate |
|||||
|---|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | ||
| Age | 1.026 | 1.012–1.040 | <0.001 | 1.025 | 1.009–1.040 | 0.002 | |
| Sex | 0.792 | 0.498–1.260 | 0.325 | ||||
| Body mass index | 1.115 | 1.064–1.169 | <0.001 | 1.091 | 1.038–1.147 | 0.001 | |
| Tumor size | 1.457 | 1.236–1.717 | <0.001 | 1.544 | 1.291–1.846 | <0.001 | |
| Hashimoto's thyroiditis | 0.788 | 0.502–1.237 | 0.300 | ||||
| BRAF mutation | 2.494 | 1.596–3.895 | <0.001 | 2.311 | 1.438–3.713 | 0.001 | |