Table 4. Univariate and Multivariate Analysis between the FLT Group and the PTC Group According to Nodule Size.
| Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | |
| Nodule size<10 mm | ||||||
| TSH>2.50 µIU/mL | 3.883 | 1.692-8.911 | 0.001 | |||
| Tg-Ab positivity | 18.99 | 6.298-51.441 | <0.001 | 4.985 | 1.201-20.689 | 0.027 |
| TPO-Ab positivity | 5.447 | 2.278-13.029 | <0.001 | |||
| Taller than wider | 0.469 | 0.211-1.043 | 0.063 | 0.337 | 0.091-1.243 | 0.102 |
| Absence of calcification | 1.750 | 0.734-4.174 | 0.207 | |||
| Presence of DTD pattern | 48.800 | 15.172-156.958 | <0.001 | 29.265 | 7.788-109.970 | <0.001 |
| Nodule size≥10 mm | ||||||
| TSH>2.50 µIU/mL | 7.000 | 1.498-32.720 | 0.013 | |||
| Tg-Ab positivity | 3.600 | 0.832-15.572 | 0.086 | |||
| TPO-Ab positivity | 2.400 | 0.567-10.155 | 0.234 | |||
| Taller than wider | 1.393 | 0.290-6.679 | 0.679 | |||
| Absence of calcification | 12.857 | 1.459-113.278 | 0.021 | 12.487 | 1.093-142.673 | 0.042 |
| Presence of DTD pattern | 17.500 | 3.171-96.575 | 0.001 | 17.079 | 2.464-118.388 | 0.004 |
FLT, focal lymphocytic thyroiditis; PTC, papillary thyroid cancer; TSH, thyrotropin; Tg-Ab, thyroglobulin antibody; TPO-Ab, thyroid peroxidase antibody; DTD pattern, "diffuse thyroid disease" pattern on US; OR, odds ratio; CI, confidence interval; US, ultrasound.