Table 3.

Cox proportional hazards regression. Hazard ratios and p-values presented are for normal vs elevated PSA, controlling for the preoperative nomogram.

	Number of patients	Hazard ratio (95% C.I.)	P value
All patients	6130
PSA < 2.5	399	0.78 (0.42, 1.48)	0.5
PSA ≥ 2.5	5731	Reference
Pathologic Gleason ≤ 6	2198
PSA < 2.5	213	0.77 (0.18, 3.30)	0.7
PSA ≥ 2.5	1985	Reference
Pathologic Gleason 7	3426
PSA < 2.5	160	0.37 (0.12, 1.18)	0.10
PSA ≥ 2.5	3266	Reference
Pathologic Gleason ≥ 8	438
PSA < 2.5	17	0.95 (0.38, 2.36)	0.9
PSA ≥ 2.5	421	Reference