Table 3 Univariate and multivariate logistic regression analysis of ultrasound radiomic and morphological features
Characteristics | Univariate logistic regression analysis | Multivariate logistic regression analyses | ||||
|---|---|---|---|---|---|---|
OR | 95% CI | P | OR | 95% CI | P | |
Gender | Â | Â | Â | Â | Â | Â |
 Male # | 1 |  |  | / |  |  |
 Female | 0.348 | 0.141–0.859 | 0.022* | / | / | / |
Age | 0.996 | 0.972–1.021 | 0.739 | / | / | / |
Microcalcification | Â | Â | Â | Â | Â | Â |
 No # | 1 |  |  | / |  |  |
 Yes | 2.661 | 1.453–4.871 | 0.002* | / | / | / |
Color doppler flow imaging | Â | Â | Â | Â | Â | Â |
 Avascularity # | 1 |  |  | / |  |  |
 Mainly peripheral vascularity | 5.384 | 2.530–11.454 | < 0.001* | / | / | / |
 Mainly central vascularity | 6.933 | 3.271–14.692 | < 0.001* | / | / | / |
 Mixed vascularity | 4.490 | 1.557–12.947 | 0.005* | / | / | / |
Location | Â | Â | Â | Â | Â | Â |
 Up # | 1 |  |  | / |  |  |
 Middle | 1.471 | 0.711–3.043 | 0.298 | / | / | / |
 Down | 1.465 | 0.719–2.988 | 0.293 | / | / | / |
Morphology | Â | Â | Â | Â | Â | Â |
 Regular # | 1 |  |  | 1 |  |  |
 Irregular | 6.769 | 3.608–12.699 | < 0.001* | 10.466 | 3.016–36.323 | < 0.001* |
Boundary | Â | Â | Â | Â | Â | Â |
 Circumscribed # | 1 |  |  | 1 |  |  |
 Ill-defined | 2.155 | 1.072–4.335 | 0.031* | 1.783 | 0.557–5.710 | 0.330 |
 Irregular margin | 6.158 | 2.865–13.233 | < 0.001* | 9.767 | 2.262–42.173 | 0.002* |
Length diameter | 4.675 | 2.414–9.052 | < 0.001* | 0.392 | 0.161–0.955 | 0.039* |
Rad-score | 2.718 | 2.065–3.579 | < 0.001* | 3.577 | 2.372–5.395 | < 0.001* |