Table 3.

Univariate and multivariate model and hazard ratio calculations for variables associated with biochemical recurrence

Variables	Univariate		Multivariate
PSA (PSA > 10 vs ≤ 10)	1.45 (0.82–2.58)	0.205	1.33 (0.74–2.39)	0.339
pT (pT3a vs pT2)	2.58 (1.5–4.44)	< 0.001	2.14 (1.2–3.81)	0.01
pG ≤6	Reference		Reference
pG = 3 + 4	NS		NS
pG = 4 + 3	2.54 (1.23–5.23)	0.012	1.15 (0.53–2.47)	0.724
pG ≥8	2.77 (1.02–7.52)	0.046	1.41 (0.5–3.99)	0.513
PSM (ePSM vs fPSM)	6.05 (3.29–11.15)	< 0.001	6.11 (3.25–11.49)	< 0.001

The multivariate model includes all variables in this table, the age when the RP was performed and the year of treatment

HR hazard ratio, CI confidence interval, fPSM focal positive surgical margin, ePSM extensive positive surgical margin, PSA prostate-specific antigen