Table 2.
Relationship between prebiopsy clinical indicators and Gleason score and evaluating the diagnostic performance of each variable for predicting PCa and csPCa using receiver operating characteristic curve analysis.
| Indicators | Relationship between clinical indicators and Gleason Score | ROC curve analysis for diagnosis of PCa | ROC curve analysis for diagnosis of csPCa | |||||
|---|---|---|---|---|---|---|---|---|
| R | p-value | AUC | 95% CI | p-value | AUC | 95% CI | p-value | |
| Age | 0.245 | <0.001 | 0.616 | 0.559–0.673 | <0.001 | 0.645 | 0.586–0.704 | <0.001 |
| f-PSA | 0.067 | 0.199 | 0.502 | 0.441–0.563 | 0.952 | 0.534 | 0.469–0.600 | 0.276 |
| t-PSA | 0.282 | < 0.001 | 0.628 | 0.569–0.688 | <0.001 | 0.668 | 0.606–0.730 | <0.001 |
| f/t-PSA | −0.323 | < 0.001 | 0.310 | 0.257–0.365 | <0.001 | 0.296 | 0.242–0.351 | <0.001 |
| PV | −0.275 | <0.001 | 0.325 | 0.270–0.380 | <0.001 | 0.337 | 0.280–0.394 | <0.001 |
| PSAD | 0.442 | < 0.001 | 0.734 | 0.682–0.787 | <0.001 | 0.765 | 0.711–0.819 | <0.001 |
| PI-RADS score | 0.654 | < 0.001 | 0.863 | 0.825–0.900 | <0.001 | 0.864 | 0.827–0.901 | <0.001 |
| T2WI score | 0.632 | <0.001 | 0.848 | 0.809–0.887 | <0.001 | 0.851 | 0.812–0.889 | <0.001 |
| DWI score | 0.667 | < 0.001 | 0.856 | 0.818–0.894 | <0.001 | 0.859 | 0.821–0.897 | <0.001 |
| Total score | 0.664 | < 0.001 | 0.900 | 0.869–0.931 | <0.001 | 0.903 | 0.872–0.933 | <0.001 |
fPSA, free PSA; tPSA, total PSA; f/tPSA, free/total PSA; PV, prostate volume; PSAD, PSA density; PI-RADS score, prostate imaging reporting and date system score; T2WI score, T2WI score referring to PI-RADS v2; DWI score, DWI score referring to PI-RADS score; csPCa, clinical significance prostate cancer; Total score, T2WI score + DWI score.