Robotic-Assisted Radical Prostatectomy after the First Decade: Surgical Evolution or New Paradigm

Table 2

Univariate and multivariate Cox proportional Hazards regression for long-term risk of BCR-free progression after RARP, Liss et al. [53].

	Univariate				Multivariate*
Variable		95% CI				95% CI
	Hazard ratio	Lower	Upper	𝑃 value	Hazard ratio	Lower	Upper	𝑃 value
Age	1.01	0.97	1.04	0.663	0.98	0.94	1.01	0.181
PSA	1.09	1.07	1.12	<0.0005	1.07	1.03	1.11	0.0004
Positive margins	4.15	2.64	6.99	<0.0005	1.71	0.98	2.97	0.059
Pathologic Gleason
≤6	1.00				1.00
=3 + 4	4.98	2.01	12.35	0.001	3.58	1.40	9.13	0.008
=4 + 3	16.98	6.57	43.83	<0.0005	6.32	2.21	18.04	0.001
≥8	30.10	12.30	73.60	<0.0005	12.24	4.60	32.61	<0.0005
Pathologic stage*
pT2	1.00				1.00
pT3A	7.91	4.39	14.23	<0.0005	3.14	1.60	6.14	0.001
pT3B	15.84	8.08	31.06	<0.0005	4.25	2.00	9.03	0.0002

∗Excludes 2 patients with pT4.