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Multivariable logistic regression analysis for predicting malignancy.
| Odds ratio (95% CI) | P value | |
|---|---|---|
| Age | 1.1 (1.0, 1.1) | < .001 |
|
Radiologist’s BI-RADS assessment ≥ 4A |
14.7 (1.7, 125.6) | .014 |
| Irregular shape score | 5.1 (1.3, 19.4) | .018 |
| Parallel orientation score | 0.1 (0, 0.6) | .007 |
BI-RADS, Breast Imaging Reporting and Data System; CI, confidence interval.
