Table 4.
The estimated coefficients in the stepwise logistic regression and logistic LASSO regression with descriptors and clinical demographic data
| Variable | Stepwise logistic | Logistic LASSO |
|---|---|---|
| Nonparallel | 1,340.396 | 0.425 |
| Circumscribed | - | 0.715 |
| Lesion boundary | - | 0.225 |
| Ductal change | 3,394.005 | - |
| Edema | -3,941.73 | -0.626 |
| Macrocalcifications | -3,749.4 | - |
| Microcalcifications in the mass | -4,169.05 | -1.276 |
| Hypoechoic | -352.341 | - |
| Enhancement | 4,125.067 | 0.191 |
| Old age | -15.016 | 0.051 |
| Size | 4.299 | 0.003 |
| Past breast cancer history | 1,568.971 | 0.828 |
| Breast biopsy | 2,823.404 | 0.511 |
| Screening | -4,005.46 | - |
| Previous breast augmentation | 7,740.625 | 1.337 |
| Alcohol | -238.629 | - |
| Occupation | 2,061.429 | - |
| Weight | 34.814 | - |
| At menopause | 43.808 | 0.004 |
| Birth | 1,972.662 | - |
| Oral pill | 2,637.45 | - |
| Symptom | 2,502.392 | 1.067 |
| Education | -2,039.52 | - |
| Family history of breast cancer | -1,155.85 | - |
LASSO, least absolute shrinkage and selection operator.