Table 5.
Multiple Linear regression analysis of age, BMI, serum levels of PSA derivatives and UPA as independent predictors of LN involvement.
| Variable | β | P | CI |
|---|---|---|---|
| Age | 0.002 | 0.840 | −0.022−0.027 |
| BMI | −0.030 | 0.230 | −0.080− 0.020 |
| uPA | 0.042 | 0.927 | −0.866−0.949 |
| PSA | −0.121 | 0.316 | −0.359−0.118 |
| fPSA | 1.251 | 0.318 | −1.235–3.737 |
| %fPSA | −4.344 | 0.458 | −15.973–7.285 |
| P2PSA | −0.083 | 0.339 | −0.257−0.090 |
| %P2PSA | 0.155 | 0.732 | −0.746–1.055 |
| PHI | 0.025 | 0.004* | 0.009−0.042 |
. PHI: Prostate Health Index; PSA: prostate specific antigen; tPSA: total PSA; fPSA: free PSA; %fPSAZpercentage of free to total PSA; p2PSA: [-2]pro PSA; %p2PSA:Zpercentage of p2PSA to fPSA ratio; PSAD: PSA density; OR: odds ratio; CI: confidence interval; Ref: reference.