Table 2. Univariate analysis of Biochemical Recurrence (BCR)-free survival.

Clinical or Pathologic Features	BCR-Free time
	Hazard Ratio (95% CI)	P value
PD-L1 expression (tumor cells)
Negative	1 (reference)
Positive	2.66 (1.21–5.85)	0.09
CD68-positive cell density
Low	1 (reference)
High	0.88 (0.41–1.89)	0.31
CD163-positive cell density
Low	1 (reference)
High	2.48 (1.12–5.50)	0.04