Table 5. Summary of multiple logistic regression predicting the probability of having PTC with intranodular only as the reference group.
| Effect | Odds ratio | 95% CI | P value |
|---|---|---|---|
| Vascular flow pattern | 0.67 | 0.39–1.15 | 0.14 |
| Both intranodular and perinodular vs. intranodular only | 0.47 | 0.17–1.33 | 0.16 |
| Diffuse vs. intranodular only | 1.32 | 0.71–2.45 | 0.38 |
| No flow vs. intranodular only | 0.87 | 0.45–1.66 | 0.66 |
| Perinodular only vs. intranodular only | |||
| Size | |||
| 1 cm increase | 0.8 | 0.68–0.95 | 0.0097 |
PTC, papillary thyroid carcinoma.