MKI67 and posterior cortical atrophy: For multifactor analyses these threshold data were used for subdivision of PCa patients into prognostic subgroups: low Ki-67 (≤10.5%)/high Ki-67 (> 10.5%); low PSADT (≤28.7 months) / high PSADT (> 28.7 months); low CLF (≤92%)/high CLF (> 92%).