Table 4.
Ridge regression, LASSO and elastic net coefficients.
| Variable | Ridge regression | LASSO | Elastic net |
|---|---|---|---|
| Intercept | −6.175741229 | −7.39505896 | −5.923857 |
| Age | 0.054093253 | 0.06274349 | 0.004972360 |
| PSA | 0.005507262 | 0.00000000 | 0.000006632693 |
| PSAD | 0.971476782 | 2.16508376 | 0.9623193 |
| PV | −0.015923642 | −0.01723216 | −0.01447082 |
| DRE | 0.779058970 | 0.83286862 | 0.7345436 |
| FH | 0.350414930 | 0.44284927 | 0.1688009 |
| PNB | −0.246643897 | −0.27203604 | −0.1583635 |
| PIRADS | 0.737006746 | 0.87783219 | 0.7411823 |
PSA prostate specific antigen, PV prostate volume, PSAD PSA density, DRE digital rectal exam findings, FH family history of PCa, PNB previous negative biopsy.