Table 2.

Overall survival multivariate analysis

	Cohort A			Cohort B
	HR	CI 95%	P value	HR	CI 95%	P value
MMP-9 in CD68	1.26	0.20–10.35	0.81			0.2
MMP-9 in CD163	0.46	0.07–2.23	0.35	1.99	0.27–13.44	0.47
CD163	1.71	0.88–3.5	0.11	0.45	0.08–2.25	0.33
CD68	1.58	0.66–4.02	0.3	13.44	0.76–382.29	0.07
Age >50 years	6.24	2.13–20.21	0.0006	2.6	0.27–58.1	0.41
Size >2 cm	1.14	0.49–2.69	0.75	3.4	0.11–103	0.42
Grade	1.67	0.87–3.16	0.11	0.41	0.03–9.36	0.51

Abbreviations: CI confidence interval, HR hazard ratio, MMP-9 matrix metalloproteinase 9