Table 2.

Univariate prognostic factor analysis.

Variable	Category	2 year RFR	3 year RFR	P-value
Tumor size*	≤4 cm	0.8972	0.8779	0.0473
	>4 cm	0.8168	0.8088
Tumor size	<3 cm	0.9216	0.9064	0.0121
	≥3 cm	0.8326	0.8158
Tumor size	Continuous	0.8785	0.8631	0.0006
Rete testis	Present	0.8321	0.8156	0.2319
	Absent	0.8855	0.8651
Small vessel invasion	Absent	0.8704	0.8506	0.5242
	Present	0.9032	0.8731
Age	≤36	0.8958	0.8574	0.2749
	>36	0.8593	0.8411
Age	Continuous	0.8785	0.8631	0.7746

^*Cutpoint from previously published analysis ¹¹.