Table 4. Results of Cox regression analysis of significant independent clinicopathological actors and high tumour stromal expression of mir-21 versus BF and CF.

		Biochemical Failure (BF)		Clinical Failure (CF)
Variable		HR (95% CI)	p	HR (95% CI)	p
pT-Stage	pT2	1	<0.001	Not Significant
	pT3a	1.7 (1.1–2.5)	0.011
	pT3b	2.6 (1.6–4.2)	<0.001
Preop PSA		1.4 (1.0–1.9)	0.069	Not Significant
Gleason	3+3	1	0.021	1	0.013
	3+4	1.0 (0.7–1.5)	0.999	2.7 (0.9–8.6)	0.085
	4+3	1.5 (0.9–2.4)	0.125	3.5 (1.0–12.1)	0.047
	8–10	1.9 (1.3–2.7)	0.008	6.6 (2.1–21.2)	0.002
Perineural infiltration		Not Significant		2.3 (1.1–4.7)	0.031
Vascular infiltration		Not Significant		Not Significant
Apical PSM		0.6 (0.4–0.8)	0.003	Not Significant
Non-apical PSM		1.9 (1.3–2.7)	<0.001	2.9 (1.4–6.1)	0.004
hsa -miR-21		1.4 (1.0–1.9)	0.089	Not Significant