Table 2. Risk score assignment of independent US features in predicting thyroid malignancy coexistent with Hashimoto’s thyroiditis on multivariate logistic regression.
| Parameter | β | SE | OR (95% CI) | P Value | RS | Assignment |
|
|---|---|---|---|---|---|---|---|
| No | Yes | ||||||
| Marked Hypoechogenicity | 2.052 | 0.871 | 7.783 (1.413, 42.875) | 0.018 | 2.1 | 0 | 1 |
| Microcalcification | 1.229 | 0.253 | 3.418 (2.080, 5.617) | <0.001 | 1.2 | 0 | 1 |
| Macrocalcification | 1.217 | 0.601 | 3.377 (1.040, 10.964) | 0.043 | 1.2 | 0 | 1 |
| Taller-than-wide Shape | 1.213 | 0.275 | 3.364 (1.963. 5.764) | <0.001 | 1.2 | 0 | 1 |
| Poorly-defined Margin | 0.574 | 0.259 | 1.775 (1.069, 2.947) | 0.027 | 0.6 | 0 | 1 |
| Absence of Halo Sign | 1.728 | 0.794 | 5.631 (1.187, 26.705) | 0.030 | 1.7 | 0 | 1 |
Note - β, regression coefficient; SE, standard error; OR, odds ratio; CI, confidence interval; RS, risk score.