Table 2.

Spearman's correlations between immune and hypoxia biomarkers. Spearman's ρ and p values are indicated in the table

		HIF1α	CAIX	CD34
PD-L1 tumor	ρ	0.240	0.181	0.000
	p	0.141	0.271	1.000
PD-L1 stroma	ρ	-0.025	0.158	0.127
	p	0.880	0.337	0.441
TPS	ρ	0.100	0.297	-0.062
	p	0.546	0.067	0.706

Abbreviations: PD-L1 = Programmed death-ligand 1, TPS = Tumor proportional score, HIF1α = Hypoxia-inducible factor-1α, CAIX = Carbonic anhydrase IX.